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Orthopsidae
Taxonomy
Orthopsinae was named by Duncan (1889).
It was reranked as the family Orthopsidae by Clark and Twitchell (1915), Fell and Pawson (1966), Geys and Jagt (1986), Smith (1991), Smith (1995), Kroh and Smith (2010).
It was assigned to Diademina by Clark and Twitchell (1915); to Echinacea by Smith (1991); to Orthopsida by Fell and Pawson (1966), Geys and Jagt (1986), Smith (1995); and to Carinacea by Kroh and Smith (2010).
It was reranked as the family Orthopsidae by Clark and Twitchell (1915), Fell and Pawson (1966), Geys and Jagt (1986), Smith (1991), Smith (1995), Kroh and Smith (2010).
It was assigned to Diademina by Clark and Twitchell (1915); to Echinacea by Smith (1991); to Orthopsida by Fell and Pawson (1966), Geys and Jagt (1986), Smith (1995); and to Carinacea by Kroh and Smith (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Orthopsidae Clark and Twitchell p. 52 |
| 1966 | Orthopsidae Fell and Pawson p. U437 |
| 1986 | Orthopsidae Geys and Jagt p. 102 |
| 1991 | Orthopsidae Smith p. 30 |
| 1995 | Orthopsidae Smith p. 136 |
| 2010 | Orthopsidae Kroh and Smith p. 170 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Orthopsidae Duncan 1889
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G. †Brochechinus
G. †Dubarechinus
G. †Gymnodiadema
G. †Orthocidaris
G. †Orthopsis Cotteau 1864
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†Orthopsis miliaris d'Archiac 1835
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Invalid names: Cottaldia australis White 1887 [synonym], Diadema granulare Agassiz 1846 [synonym], Diadema kleinii Desmoulins 1837 [synonym], Diadema polystigma Agassiz 1840 [synonym], Hemipedina charltoni Cragin 1894 [synonym], Orthopsis morgani Cotteau and Gauthier 1895 [synonym], Orthopsis planulata Clark and Twitchell 1915 [synonym], Orthopsis sanfilippoi Checchia-Rispoli 1933 [synonym], Pseudodiadema grangeri Maury 1936 [synonym]
†Orthopsis occidentalis Cragin 1893
G. †Scaptodiadema
Diagnosis
No diagnoses are available