Archaeochionelasmus, Kočí & Veselská & Newman & Buckeridge & Sklenář, 2017

Kočí, Tomáš, Veselská, Martina Kočová, Newman, William A., Buckeridge, John S. & Sklenář, Jan, 2017, Archaeochionelasmus nekvasilovae gen. et sp. nov. (Cirripedia, Balanomorpha, Chionelasmatoidea) from the Bohemian Cretaceous Basin (Czech Republic): the first bona fide Cretaceous neobalanoform, Zootaxa 4294 (2), pp. 181-196 : 188

Family Chionelasmatidae Buckeridge, 1983 (Upper Cretaceous–Recent)

Archaeochionelasmus KOČÍ, BUCKERIDGE & NEWMAN gen. nov. Pl. 1, figs A–F; Pl. 2, figs A–H; Text-figs 3, 6

Diagnosis. Low conical neobalanoform with a six-plated wall comprised of a carina (C) and a rostrum (R) plus paired carinolatera (CL1) and rostrolatera (RL) and at least one whorl of basal imbricating plates (IPs); pseudo-radii present on overlapping margins of RL and CL1; alae unexposed, rostrolatera perhaps included in the sheath; no trace of a calcareous basis.

Etymology. Archaeo (Greek arkhaio-) = early, or before Chionelasmus .

Stratum typicum. Upper Cenomanian, Korycany Member, Bohemian Cretaceous Basin.