Often referred to L. Agassiz, 1840a (e.g. by Mortensen, 1850), but first used at ordinal level by Claus (1876) [details]
ex "Amphisternous Spatangidae" Lovén, 1883; ex "Amphisterniens" Lambert, 1893 [details]
Mortensen's (1950: p. 189, footnote) emended Agassiz's original spelling "Paleopneustes" to "Palaeopneustes". While ... [details]
Argopatagus A. Agassiz, 1879 and Phrissocystis A. Agassiz, 1898 are similar in all respects other than that ... [details]
Bather (1934 […]) has established a new species of Sternopatagus, St. sinensis, without giving any real diagnosis ... [details]
Mortensen (1950: p. 144-145) has Pourtalesia wandeli tentatively in the synonymy of P. miranda, but states in the ... [details]
Mortensen (1950: p. 144-145) has Pourtalesia wandeli tentatively in the synonymy of P. miranda, but states in the ... [details]