Helaspis
Helaspis
Eukaryota | Animalia | Brachiopoda | Rhynchonelliformea | Strophomenata | Productida | Productidina | Productelloidea | Productellidae | Helaspinae | Helaspis
COL:CS5HF | COL:N | COL:B8V3K | COL:87BRB | COL:BSSY3 | COL:KZCPL | COL:BTY3B | COL:CPSCR | COL:BSSZG | COL:KTTCR | COL:F4WYD
(Chatton, 1925) Whittaker & Margulis, 1978 |  | Duméril, 1805 | Williams, Carlson, Brunton, Holmer & Popov, 1996 | Williams et al., 1996 | Waagen, 1883 | Waagen, 1883 | Schuchert, 1929 | Schuchert, 1929 | Waterhouse, 2013 | Imbrie, 1959