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Brachiopods from the Lower Red Formation (Lower Oligocene) of the Isfahan Province, Central Iran

Bitner Maria Aleksandra, Bahrami Ali, Yazdi Mehdi, Zágoršek Kamil

Annales Societatis Geologorum Poloniae

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2023

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Vol. 93, No. 4

411--422

EN

The study presents the first record of Early Oligocene brachiopods from the Lower Red Formation of the Isfahan Province, Central Iran. The assemblage comprises six brachiopod taxa, belonging to five genera, Novocrania Lee and Brunton, Thecidellina Thomson, Argyrotheca Dall, Joania Álvarez, Brunton and Long, and Platidia Costa. Two species are described as new, Thecidellina persica sp. nov. and Argyrotheca ramshehensis sp. nov. The discovery of Thecidellina in Iran is the first confirmed occurrence of this genus in Oligocene deposits, filling the gap between known Eocene and Miocene occurrences. At the species level, the brachiopods investigated here show no affinity to those from the Lower Miocene Qom Formation.

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Middle Devonian brachiopods from northern Maïder (eastern Anti-Atlas, Morocco)

Halamski Adam T., Baliński Andrzej, Koppka Jens

Annales Societatis Geologorum Poloniae

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2022

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Vol. 92, No. 1

s. 1--86

EN

Sixty brachiopod species are reported from the Taboumakhlouf Formation (upper Eifelian) and the Bou Dib Formation (upper Eifelian to Givetian) of Jbel Issoumour, northern Maïder, Anti-Atlas, Morocco, on the basis of collections made by Volker Ebbighausen. The stratigraphy is based on reports of co-occurring trilobite assemblages. The relatively diversified fauna pre-dates the Taghanic event and is dominated in terms of diversity by atrypides and rhynchonellides (11 species each); other frequent species include Poloniproductus varians, Aulacella prisca, Tyersella tetragona, Schizophoria schnuri, Athyris ex gr. concentrica, Yeothyris? sinuata, and Thomasaria simplex. Spinatrypa ennigaldinannae Halamski and Baliński sp. nov. from the upper Eifelian is characterised by a transverse shell, typically 16–18 mm wide with 19–22 ribs. Prodavidsonia ebbigahuseni Halamski and Baliński sp. nov. differs from other representatives of the genus in having nearly flat shells. Eressella coronata Halamski and Baliński, nom. nov. is proposed as a replacement name for the permanently invalid Rhynchonella coronata Kayser, 1871 (non R. coronata Moore, 1861). Thomasaria simplex is documented as being a particularly variable species (costation, tongue, interarea position), so its broad taxonomic treatment is favoured. The brachiopod fauna shows distinct Rhenish affinities (numerous species in common with the Eifel and the Holy Cross Mountains) like the coeval fauna from southern Maïder, described previously. The Middle Devonian brachiopod fauna from the whole Maïder (north, described here and south, described previously) totals 87 species.

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Early Oligocene brachiopods from the rocky-shore deposits at Mammendorf, central Germany

Bitner Maria Aleksandra, Müller Arnold

Annales Societatis Geologorum Poloniae

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2022

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Vol. 92, No. 1

87--107

EN

Thirteen species, belonging to eleven genera, i.e., Discinisca Dall, Novocrania Lee and Brunton, Lacazella Munier-Chalmas, Pliothyrina van Roy, Terebratulina d’Orbigny, Megathiris d’Orbigny, Argyrotheca Dall, Bronnothyris Popiel-Barczyk and Smirnova, Joania Álvarez, Brunton and Long, Platidia Costa and Megerlia King, have been identified in the lower Oligocene rocky-shore deposits at Mammendorf, central Germany. The occurrence of the species Discinisca fallens (Wood), Argyrotheca bitnerae Dulai and Megerlia truncata (Linnaeus) extends their stratigraphic range back to the early Oligocene. The affinity to the early Oligocene brachiopod fauna of the Mainz Basin is noted.

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Middle Devonian uncinuloids (Brachiopoda, Rhynchonellida) from North Africa and Central Europe

Halamski Adam T., Baliński Andrzej, Jansen Ulrich

Annales Societatis Geologorum Poloniae

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2020

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Vol. 90, No. 1

51--73

EN

The paper includes a taxonomic revision of four externally similar Middle Devonian rhynchonellide species from northwestern Africa (Maïder, Tindouf Syncline) and Central Europe (Eifel, Bergisches Land, Holy Cross Mts.), considered in recent papers as representatives of Kransia Westbroek, 1967 or Nalivkinaria Rzhonsnitskaya, 1968. All four possess a septalium and a multilamellate cardinal process, the assignment to Nalivkinaria, having a bifid cardinal process, is therefore clearly inappropriate. Lebanzuella? issoumourensis (Drot, 1971) is present in the Givetian of Africa; two subspecies, L.? issoumourensis issoumourensis from Jbel Issoumour and L.? issoumourensis smarensis ssp. nov. from Western Sahara, are distinguished by their biometric characteristics. The other two species are included in Kransia (Fatimaerhynchia) subgen. nov. differing from Kransia (K.) in the presence of a septalium; the occurrence of such a variable structure is considered to be justification for distinction at the subgenus level. Kransia (Fatimaerhynchia) goldfussii (Schnur, 1853) is an Eifelian species. Kransia (Fatimaerhynchia?) aff. goldfussii from the Givetian of Bilveringsen is a separate species (larger, more transverse, more strongly ornamented), which is not described because of insufficient material. Kransia (Fatimaerhynchia) signata (Schnur, 1851) is present in the Middle Devonian of Jbel Issoumour, the middle Eifelian of the Eifel and the (upper?) Givetian of the Holy Cross Mountains.

5

Did plate tectonics control the generic diversity of Jurassic brachiopods? One point of view

Ruban D. A.

Geologos

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2018

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Vol. 24, No. 1

79--84

EN

Possible plate tectonic controls on faunal diversity dynamics have been discussed in the geological literature for around 50 years. The new model of plate tectonic processes is here linked to Jurassic generic diversity (simple α-diversity) of brachiopods. This comparison offers three observations, four hypotheses and three unresolved issues. Most importantly, changes in the global plate root mean square speed coincided with brachiopod diversity dynamics, which can be explained hypothetically by either environmental disturbance triggered by more active plate motion or activity of any process (such as eustasy) tied to plate tectonic mechanisms and with an impact on marine benthic communities. It is also established that global generic diversity dynamics of brachiopods during the Jurassic coincided with the regional picture as established for the Northern Caucasus and the Swiss Jura Alps; this coincidence is difficult to explain with regard to plate tectonics. These and other speculative considerations do not clarify the role of the plate tectonic factor in Jurassic generic diversity dynamics of brachiopods, and, thus, they indicate important issues for further research.

6

Eressella, a new uncinuloid brachiopod genus from the Middle Devonian of Europe and Africa

Halamski A. T., Baliński A.

Annales Societatis Geologorum Poloniae

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2018

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Vol. 88, No. 1

21--35

EN

Eressella, a new genus of rhynchonellide brachiopods belonging to the superfamily Uncinuloidea Rzhonsnitskaya, 1956, is described with Rhynchonella coronata Kayser, 1871, as the type and only species. It is characterised by a dorsibiconvex profile with a resupinate ventral valve, costae rounded posteriorly, but acute and developing ventrally directed spur-like protuberances anteriorly, small dental cavities, cardinal process multilobed posteriorly and massive anteriorly, and the presence of a septalium and thick dorsal median septum. Given the present state of flux in the systematics of the superfamily, it is conventionally placed within the family Uncinulidae Rzhonsnitskaya, 1956, although similarities with the subfamily Betterbergiinae Savage, 1996 and the family Eucharitinidae Sartenaer, 2015 are also noted. Eressella coronata, hitherto the only representative of the genus, is known from the Eifel Hills (Eifelian, mainly middle Eifelian), from central Poland (especially from the Eifelian of the Holy Cross Mts.), and from the Moroccan Anti-Atlas (late Eifelian to early Givetian, details uncertain).

7

Tunethyris blodgetti sp. nov. (Brachiopoda, Terebratulida) from the Middle Triassic of the Makhtesh Ramon, southern Israel

Feldman H. R.

Annales Societatis Geologorum Poloniae

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2017

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Vol. 87, No. 1

89--99

EN

Tunethyris blodgetti sp. nov. from the Triassic Saharonim Formation, Makhtesh Ramon, an erosional cirque in southern Israel, is erected on the basis of a suite of 39 articulated specimens. The shells are very strongly sulciplicated, a feature that seems to be more prevalent in the Mesozoic than the Palaeozoic. The Saharonim Formation was deposited under quasi-normal, calm, relatively shallow marine conditions. Faunal constituents of the Saharonim Formation include conodonts, ostracods, foraminiferans, bivalves, cephalopods, gastropods, echinoderms and vertebrate remains that belong to the Sephardic Province and are diagnostic of the Middle Triassic series of Israel. The faunal composition and shallow depositional environment of the strata may help differentiate the Sephardic Province from the Germanic Muschelkalk and the Alpine Tethyan faunas to the north.

8

Oxfordian brachiopods from the Saïda and Frenda mountains (Tlemcenian Domain, north-western Algeria)

Halamski A. T., Cherif A.

Annales Societatis Geologorum Poloniae

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2017

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Vol. 87, No. 2

141--156

EN

Five brachiopod species are reported from two middle to upper Oxfordian (Late Jurassic) outcrops, situated in the Saïda and Frenda mountains (Tlemcenian Domain, north-western Algeria) and belonging to the heterochronous (Callovian to Oxfordian, locally to the Kimmeridgian) Argiles de Saïda Formation (Saïda Clay Formation). The upper Oxfordian (probably Dichotomoceras bifurcatus Zone) outcrop A yielded Dictyothyris kurri and Loboidothyridoidea indet. The middle Oxfordian (Liosphinctes plicatilis Zone, Cardioceras vertebrale Subzone) outcrop B yielded Monticlarella rollieri, Karadagithyris boullierae sp. n., and Zittelina sp.; this is the first report of the last-mentioned genus from Africa. Karadagithyris boullierae sp. n. is a link between previously known Bajocian to Bathonian (Callovian?) Karadagithyris s.s. and Tithonian to Lower Cretaceous species, formerly segregated as Svaljavithyris; the latter is considered herein as synonym of Karadagithyris. It is characterised by a plano-uniplicate anterior commissure and a suberect beak. The adult loop of Zittelina is confirmed as bilacunar (kingeniform) and not diploform (campagiform). The bulk of the assemblages comprises small and either smooth or finely ornamented species and thus represents a low-energy environment. The lack of modern revisions of the reported species in their type areas is the reason why only Dictyothyris kurri may be used as an index species for the middle to late Oxfordian.

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A new species of Lambdarina (Rhynchonellida, Brachiopoda) from the Viséan of central Sudetes (Poland) and its phylogenetic position

Muszer J.

Acta Geologica Polonica

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2014

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Vol. 64, no. 1

1--12

EN

A new species of micromorphic articulate brachiopod (Rhynchonellida) Lambdarina jugowiensis sp. nov., from the upper Viséan (Sokolec Beds) of central Sudetes, SW Poland, is described. The studied specimens are calcified, what makes them unique in respect of their state of preservation. The material is represented by a full range of growth stages; from brephic to gerontic. Based on its morphological features and the palaeogeographical distribution of all its known species, two main evolutionary lines are proposed for the genus; the Australian and the European ones. Lambdarina was widely distributed in the equatorial-tropical waters of marginal seas of the Palaeotethys Ocean, mostly during Mississippian time.

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Middle Devonian brachiopods from the southern Maїder (eastern Anti-Atlas, Morocco)

Halamski A. T., Baliński A.

Annales Societatis Geologorum Poloniae

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2013

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Vol. 83, No. 4

243--307

EN

Sixty-two Middle Devonian brachiopod species are described on the basis of >1300 specimens from the Taboumakhlof Formation (and subordinately probably also from the top of the El Otfal Formation) at Madne el Mrakib (middle to late Eifelian or early Givetian?), Aferdou el Mrakib (late Eifelian to middle Givetian), and Guelb el Maharch (early Givetian) on the southern edge of the MaÎder Syncline (eastern Anti-Atlas, Mo- rocco). Representatives of Craniida (2 taxa), Strophomenida (5), Productida (2), Orthotetida (2), Orthida (5), Pentamerida (5), Rhynchonellida (9), Atrypida (14), Athyridida (7), Spiriferida (9), and Spiriferinida (2) are present. The fauna is dominated quantitatively by the Atrypida (24% of taxa, about the half of specimens, and the commonest species Atryparia dispersa making up about 13% of the material); the Rhynchonellida (16% of taxa, about one-sixth of specimens) are the second largest order. A new genus of the family Pugnacidae (order Rhynchonellida), Paulinaerhynchia, is proposed with the type species P. paulinae gen. et sp. nov. from Maharch; it is closest to Pugnax, from which it differs in distinct costation, lack of a dorsal septum and septalium, and rudimentary dental plates. Desquamatia (D.) deserti sp. nov., a large and finely costate representative of the genus, is described also from Maharch. Antirhynchonella and Glosshypothyridina are reported for the first time or con- firmed to be present in the Givetian. Forty (possibly up to 46) species (71 or possibly up to 82% of the taxa identified at the species level) are present also in either Eifel (Germany) or the Holy Cross Mountains (Poland). Such a high ratio of species in common attests to unconstrained faunal exchanges among benthic faunas between the northern and southern shores of the Variscan Sea during the Middle Devonian. This favours the palaeogeo- graphic hypothesis of a narrow Variscan Sea.

11

Lingula dregeri (Brachiopoda) from the Middle Miocene of Hungary

Bitner M. A., Dulai A., Kocsis L., Müller P. M.

Annales Societatis Geologorum Poloniae

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2012

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Vol. 82, No. 1

39–-43

EN

Lingulide brachiopods, assigned to Lingula dregeri Andreae, 1893, have been identified from the Middle Miocene (Upper Badenian) of the Hungarian part of the Pannonian Basin. Although widely distributed in the Miocene of the Central Paratethys (Austria, Poland, Ukraine, Romania), the genus Lingula was not described previously from Hungary. Outside of the Central Paratethys, L. dregeri also has been recognized in the Atlantic and Mediterranean provinces and most probably in the Eastern Paratethys.

12

Stratigraphical distribution of Jurassic brachiopods in the Bakony Mountains (Hungary)

Voros A., Dulai A.

Volumina Jurassica

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2006

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Vol. 4, no. 1

247-248

EN

The Jurassic brachiopod fauna of the Bakony Mountains (Transdanubian Central Range) is well-known: several thousands specimens were collected from the different stages. The collecting work encompassed the whole Jurassic sequence except the Callovian and Oxfordian which are mainly represented by radiolarite. Brachiopods were collected together with ammonites and this offered an exceptional possibility to record their stratigraphic distribution. The ooidal-oncoidal, shallow-water Hettangian Kardosret Limestone yielded 10 (mainly terebratulid) species. The Lower Sinemurian Pisznice Limestone and the cherty, crinoidal Isztimer Formation yielded 46 species of rhynchonellids, spiriferinids and terebratulids. The gradual diversification continued: the Upper Sinemurian Hierlatz Limestone is extremely rich in brachiopods and 66 species were found at three localities. The Pliensbachian is the best studied stage (101 species); more than a dozen sections were collected in four different lithologies: red, condensed, manganiferous limestone; Hierlatz Limestone; crinoidal cherty limestone; Ammonitico Rosso type limestone. The four brachiopod orders (Rhynchonellida, Athyridida, Spiriferinida and Terebratulida) are profusely represented but the bulk fauna is dominated by the species Linguithyris aspasia. The red limestone facies after the Early Toarcian anoxic event yielded only very few specimens of the above mentioned species. The Aalenian Ammonitico Rosso type limestone and greyish siliceous limestone are totally devoid of brachiopods. The same litologies in the Lower Bajocian yielded only a few brachiopods. The Middle and Upper Bajocian shows more diverse lithology (pelagic limestone; red, manganiferous limestone; Hierlatz-like limestone; radiolarite) with the bloom of brachiopods from the Humphriesianum Zone until the end of the Bajocian. Red, Ammonitico Rosso type limestones are widespread in the Kimmeridgian but brachiopods are extremely rare. This limestone is predominant in the Tithonian but Hierlatz-like limestone and white micritic limestone also occur. Brachiopods (mostly pygopids) are especially abundant and diverse in the Hierlatz-like limestones.

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A transitional stringocephalid from the Holy Cross Mountains, Poland, and its evolutionary and stratigraphic significance

Halamski A., Seigt T.

Acta Geologica Polonica

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2006

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Vol. 56, no. 2

171-176

EN

Stringocephalini gen. et sp. indet. A shows microscopic capillae on both valves, possibly representing a transitional evolutionary stage between smooth-shelled Stringocephalus and capillate Parastringocephalus. The latter genus seems therefore to have originated directly from Stringocephalus, and not via Subsinucephalus, as suggested earlier. The occurrence of Stringocephalini gen. et sp. indet. A indicates an early Givetian age of beds cropping out at Błonia Sierżawskie near Świętomarz.

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Lower Devonian Lingulata from the well Ursynów 1 (E Poland)

Biernat G., Teller L.

Kwartalnik Geologiczny

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1998

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Vol. 42, nr 4

451-460

EN

New data are presented for the poorly known Devonian lingulate fauna. Late Lochkovian members of the lingulate genera: ?Lingularia, 'Trigonoglossa', Lingulodiscina, Orbiculoidea and Schizotreta are described. The material is from a depth 2858.1-2979.1 m of the well Ursynów 1, situated in the NW part of the Radom-Lublin area (E Poland), together with a simplified lithological section of the Lower Devonian

PL

Podano opisy kilku przedstawicieli rodzajów ?Langularia, 'Trigonoglossa', Lingulodiscina, Orbiculoidea oraz Schizotreta. Materiał pochodził z otworu wiertniczego Ursynów 1 z głębokości 2858,1-2979,1 m, usytuowanego w NW części obszaru radomsko-lubelskiego (E Polska). Podano także skondensowany opis profilu litologicznego odwierconych osadów dewonu, a opisana fauna wskazuje na późnolochkowski wiek.