[?=Psammechinus Agassiz & Desor, 1846, p. 368, type species Echinus miliaris Muller, 1771 ]
Diagnostic Features |
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Distribution | Miocene of Patagonia. |
Name gender | masculine |
Type | Toxopneustes praecursor Ortmann, 1904, p. 53, by subsequent designation of Lambert & Thiery, 1914, p. 241. |
Species Included | Only the type species. |
Classification and/or Status |
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Remarks | Fell & Pawson (1966) placed this genus in the family Echinidae, which it resembles in interambulacral tuberculation. It comes closest to Psammechinus in appearance, differing from that taxon in having two subequal ambulacral tubercles on ambital ambulacral plates. |