Pseudoconocardium licharewi Zavodowsky, 1960, the latest representative of the extinct class Rostroconchia (Mollusca)

• Published in: Palaeoworld Vol. 34; no. 4; p. 100900
• Main Authors: Mazaev, Alexey V., Biakov, Alexander S.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.08.2025
• Subjects: extinction; lower Changhsingian; morphology; Northeast Asia; Order Conocardiida; taxonomy; Northeast Asia; extinction; taxonomy; Order Conocardiida; morphology; lower Changhsingian
• ISSN: 1871-174X
• DOI: 10.1016/j.palwor.2024.11.008

Rostroconchs are one of the “minor classes” of the phylum Mollusca. They were especially diverse in Early and Middle Palaeozoic, but by the end of Late Palaeozoic the group’s diversity had sharply declined. This study shows that rostroconchs completely disappeared from the fossil record before the g...