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Revision of the faunal list and study of Hipparion [ Equidae, Perissodactyla, Mammalia ] of the Pliocene locality of La Gloria 4 [ Spain ]

100%

Eisenmann V. , Mein P.

Acta Zoologica Cracoviensia

1996

tom 39

nr 1

The northernmost fossil locality of fruit bats [Megachiroptera, Mammalia] in the Miocene of Belchatow [Poland]

100%

Rzebik-Kowalska B. , Kowalski K.

Acta Zoologica Cracoviensia

2001

tom 44

nr 1

A new Mississippian hexactinellid sponge from the western Gondwana: Taxonomic and paleobiogeographic implications

80%

Carrera M. G. , Rustan J. J. , Vaccari N. E. , Ezpeleta M.

Acta Palaeontologica Polonica

2018

tom 63

nr 1

A Mississippian hexactinellid sponge from the western Argentina improves the extremely poor late Paleozoic sponge records from Gondwana. The sponge is included in the subfamily Thysanodictyinae of family Dictyospongiidae. The new genus and species Minitaspongia parvis is erected, and its well-preserved spicular structure is described in detail representing the first approximation of the spicule assemblage in Thysanodictyinae. The skeleton is clathrate, three-dimensional with at least two ranks of rectangular openings. This first report of this subfamily outside North America represents the best-known hexactinellid and the first dictyosponge record from the Carboniferous of Gondwana. Unlike the occurrences of Thysanodictyinae in North America, with thick skeletons linked to high-energy shallow water settings, Minitaspongia occurs in low-energy water siliciclastic settings related to a cold climate and glacimarine deposits. Accordingly, the complex wall structure of this sponge should not be invoked as a necessary adaptation to high energy and shallow water settings.

A new brontothere from the Eocene of South China

80%

Averianov A. , Danilov I. , Chen W. , Jin J.

Acta Palaeontologica Polonica

2018

tom 63

nr 1

The upper Eocene Youganwo Formation in Maoming Province, Guangdong Province, China, produced abundant remains of turtles and crocodiles, but mammalian remains are rare. The previously found mammals from Youganwo Formation include a nimravid carnivore and an amynodontid perissodactyl. Here we report on a new brontotheriid perissodactyl from the Youganwo Formation. Maobrontops paganus gen. et sp. nov. is described based on a maxillary fragment with P4 and M1–2 (SYSU-M-4). Maobrontops paganus gen. et sp. nov. is characterized by the combination of a simple P4 without a hypocone with derived molars having large molar fossae and large anterolingual cingular cusp. A parsimony implied weighting character analysis places Maobrontops gen. nov. in the clade Embolotheriita as a sister taxon to the terminal subclade containing Nasamplus, Protembolotherium, and Embolotherium. Maobrontops paganus gen. et sp. nov. is one of the largest Asian brontotheres. The brontotheriid fauna of South China is endemic and includes at least three valid taxa: Dianotitan from Brontotheriita and Pygmaetitan and Maobrontops gen. nov. from Embolotheriita.

The evolution of conch ontogeny in Mesozoic open sea gastropod

70%

Kaim A.

Palaeontologia Polonica

2004

tom 62