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.

Published as part of 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, pp. 181-196 in Zootaxa 4294 (2) on page 188, DOI: 10.11646/zootaxa.4294.2.3, http://zenodo.org/record/831790