Hundred species of the genus Peronopsis Hawle et Corda, 1847

Autor: E. B. Naimark

Publikováno v: Paleontological Journal. 46:945-1057

The data on the genus Peronopsis, including 116 species and subspecies, that is, at least half of Middle Cambrian agnostians, are completely revised. The revision is based on the order of the formation of pygidial characters in ontogeny. A convenient

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd5cea96479c5a6b64872619182e6bdc
https://doi.org/10.1134/s0031030112090018

A new type of entombment of Peronopsis (Agnostida) in a hyolithid conch

Autor: Oldřich Fatka, Vladislav Kozák

Publikováno v: Carnets de géologie (Notebooks on geology). 14

An enrolled exoskeleton of the holaspid specimen of a tiny agnostid Peronopsis integra (Beyrich, 1845) entombed inside a conch of the hyolithid ?Buchavalites sp. is described from the middle Cambrian (Drumian) Jince Formation of the Přibram-Jince Ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15f2a6ab152a4b4c3a5739677efcfe7b
https://doi.org/10.4267/2042/54000

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

First record of Ubaghsicystis (Eocrinoidea - Echinodermata) from the Cambrian (Miaolingian, Wuliuan) of Sonora, Mexico: Biostratigraphical and paleoecological considerations

Autor: Francisco-Javier Cuen-Romero, Matilde-Sylvia Beresi, Blanca-Estela Buitrón-Sánchez, Rogelio Monreal

Publikováno v: Revista de Biología Tropical; Vol. 69 No. S1 (2021): Volume 69 – Supplement 1 – March 2021: Research on Echinoderms in Latin America V; S51-S65
Revista de Biología Tropical; Vol. 69 Núm. S1 (2021): Volumen 69 – Suplemento 1 – Marzo 2021: Estudios latinoamericanos en equinodermos V; S51-S65
Revista Biología Tropical; Vol. 69 N.º S1 (2021): Volumen 69 – Suplemento 1 – Marzo 2021: Estudios latinoamericanos en equinodermos V; S51-S65
Portal de Revistas UCR
Universidad de Costa Rica
instacron:UCR
Revista de Biología Tropical, Volume: 69 Supplement 1, Pages: 51-61, Published: MAR 2021

Introduction: The present work constitutes the first record of Ubaghsicystis Gil-Cid & Domínguez-Alonso (Echinodermata-Eocrinoidea) in the El Gavilán Formation, exposed in the El Sahuaral Hill, a new Cambrian locality of central Sonora, Mexico. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a12a3187895815da63df2721ab3dcc17
https://revistas.ucr.ac.cr/index.php/rbt/article/view/46326

Biostratigraphy and taxonomy of Drumian (middle Cambrian) agnostid trilobites of the Manuels River Formation, Avalonian Newfoundland, Canada.

Autor: Hildenbrand, Anne, Austermann, Gregor, Ifrim, Christina, Bengtson, Peter, Álvaro, Javier

Publikováno v: Papers in Palaentology; Aug2021, Vol. 7 Issue 3, p1657-1698, 42p