Rodzaj Lepidechinoides Olsson, 1912
Gatunek typowy Opis Ambulacral plates have internal spinose processes on adoral side; internally ambulacral plates opposite horizontal ambulacral sutures expanded laterally, fan shaped; interambulacral plates without primary tubercles arranged in many columns. Synonimy Zasięg czasowy late Eifelian to mid–late Frasnian (Mid to Late Devonian) Literatura Boczarowski, A. 2001. Isolated sclerites of Devonian non-pelmatozoan echinoderms. Palaeontologia Polonica 59, 3–220. Olsson, A.. 1912. New and interesting fossils from the Devonian of New York. Bulletins of American Paleontology 5 (23), 27-38. |
|