Upsilococconeis dapalistriata gen. nov. & comb. nov. (Bacillariophyta) : a pantropical marine member of Cocconeidaceae

• Autorzy: Riaux-Gobin Catherine , Witkowski Andrzej , Risjani Yenny , Yunianta Yunianta , Berteaux-Lecellier Véronique , Kryk Adrian , Peszek Łukasz , Daniszewska-Kowalczyk Genowefa

Identyfikatory

DOI

10.26881/oahs-2022.1.03

• Języki publikacji: EN

Abstrakty

EN

Cocconeis dapalistriata, first described as a member of the genus Cocconeis, is re-examined due to its unique ultrastructure. Both valvocopulae of this taxon show significant differences compared to those found in the genus Cocconeis. They are expanded and show some similarities with those found in Amphicocconeis. On the other hand, terminal parts of the raphe valve (RV) in C. dapalistriata are simple and the raphe valve (RV) striae are composed of small round areolae with a hymenate occlusion with radial slits, similar to those observed in Cocconeis. Campyloneis and Xenococconeis also have expanded valvocopulae but with numerous morphological differences compared to those found in C. dapalistriata. Furthermore, the areolae of the sternum valve (SV) in C. dapalistriata are occluded by a concave velum with no apparent internal slits, and externally ornamented with irregular silica crystals. Upsilococconeis Riaux-Gobin, Witkowski & Risjani gen. nov. is proposed to accommodate the latter taxon. First described from the Western Indian Ocean (Mascarenes), it was subsequently listed from the Western Pacific Ocean (Guam), the South Pacific Ocean (French Polynesia and New Caledonia) and from the Eastern Indian Ocean (Indonesia), and thus may qualify as pantropical.

Słowa kluczowe

EN

diatoms; benthic; pantropical; Upsilococconeis gen. nov.; Upsilococconeis dapalistriata comb. nov.

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2022
• Tom: Vol. 51, No. 1
• Strony: 23--31
• Opis fizyczny: Bibliogr. 21 poz., fot.

Twórcy

autor

Riaux-Gobin Catherine

• PSL Research University: CNRS-UPVD-EPHE, USR3278 CRIOBE, France
• Laboratoire d’Excellence ‘CORAIL’, University of Perpignan, Perpignan, France

autor

Witkowski Andrzej

• University of Szczecin, Institute of Marine and Environmental Sciences, Szczecin, Poland

autor

Risjani Yenny

• Faculty of Fisheries and Marine Sciences, Brawijaya University, Malang, Indonesia

autor

Yunianta Yunianta

• Faculty of Agricultural Technology, Brawijaya University, Malang, Indonesia

autor

Berteaux-Lecellier Véronique

• UMR250/9220 ENTROPIE IRD-CNRS-Ifremer-UNC-UR, Labex CORAIL, Nouméa, New Caledonia, France

autor

Kryk Adrian

• University of Szczecin, Institute of Marine and Environmental Sciences, Szczecin, Poland

autor

Peszek Łukasz

• Department of Agroecology and Forest Utilization, University of Rzeszów, Rzeszów, Poland

autor

Daniszewska-Kowalczyk Genowefa

• University of Szczecin, Institute of Marine and Environmental Sciences, Szczecin, Poland

Bibliografia

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