PBDB Taxon

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Orthopsis miliaris

Echinoidea - Orthopsidae

Taxonomy

Cidarites miliaris was named by d'Archiac (1835).

It was recombined as Orthopsis miliaris by Geys and Jagt (1986), Smith (1991), Smith (1995), Néraudeau et al. (1995) and El Qot (2021).

Sister species lacking formal opinion data

O. ovata

Synonyms

Pseudodiadema grangeri was named by Maury (1936). Its type specimen is DGM 1134-I, 1193-I, a test, and it is a 3D body fossil. Its type locality is Lastro (DGM collection), which is in an Albian carbonate limestone in the Riachuelo Formation of Brazil.

It was synonymized subjectively with Orthopsis miliaris by Smith (1991).
Cottaldia australis was named by White (1887). It is a 3D body fossil. Its type locality is Lastro, perto de Maroim, which is in an Albian carbonate limestone in the Riacheulo Formation of Brazil.

It was synonymized subjectively with Orthopsis miliaris by Smith (1991).
Orthopsis morgani was named by Cotteau and Gauthier (1895).

It was synonymized subjectively with Orthopsis miliaris by Smith (1995) and Néraudeau et al. (1995).
Orthopsis sanfilippoi was named by Checchia-Rispoli (1933).

It was synonymized subjectively with Orthopsis miliaris by Smith (1995) and Néraudeau et al. (1995).
Diadema kleinii was named by Desmoulins (1837).

It was synonymized subjectively with Orthopsis miliaris by Geys and Jagt (1986) and Smith (1991).
Diadema polystigma was named by Agassiz (1840).

It was synonymized subjectively with Orthopsis miliaris by Geys and Jagt (1986) and Smith (1991).
Diadema granulare was named by Agassiz (1846).

It was synonymized subjectively with Orthopsis miliaris by Geys and Jagt (1986) and Smith (1991).
Hemipedina charltoni was named by Cragin (1894).

It was synonymized subjectively with Orthopsis miliaris by Smith (1991).
Orthopsis planulata was named by Clark and Twitchell (1915) [attributed to Clark only]. It is a 3D body fossil. Its type locality is Bonham Road, Denison, which is in a Cretaceous marine marl in the Denison Formation of Texas.

It was synonymized subjectively with Orthopsis miliaris by Smith (1991).

Synonymy list

Year	Name and author
1835	Cidarites miliaris d'Archiac
1837	Diadema kleinii Desmoulins
1840	Diadema polystigma Agassiz
1846	Diadema granulare Agassiz
1887	Cottaldia australis White p. 251 figs. pl. 27, figs. 13, 14
1894	Hemipedina charltoni Cragin
1895	Orthopsis morgani Cotteau and Gauthier
1915	Orthopsis planulata Clark and Twitchell p. 54
1915	Hemipedina charltoni Clark and Twitchell p. 57
1933	Orthopsis sanfilippoi Checchia-Rispoli
1936	Cottaldia australis Maury p. 270
1936	Pseudodiadema grangeri Maury p. 270 figs. pl. 2, figs. 1, 2
1986	Orthopsis miliaris Geys and Jagt p. 102 figs. 4c-g
1991	Orthopsis miliaris Smith p. 30 figs. Pl 8B-F; text-fig 23
1995	Orthopsis miliaris Néraudeau et al. p. 410 fig. 3f,g
1995	Orthopsis miliaris Smith p. 136 figs. Pl 2, figs 4,5; pl 3, figs 1-9; text-figs 12-14
2021	Orthopsis miliaris El Qot p. 9 figs. 5F1, F2

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Echinodermata
subphylum	Eleutherozoa
—	Echinozoa	()

Rank	Name	Author
class	Echinoidea	()
subclass	Euechinoidea	Bronn 1860
superorder	Acroechinoidea	()
—	Carinacea
family	Orthopsidae	()
genus	Orthopsis	Cotteau 1864
species	miliaris	(d'Archiac 1835)

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.

†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]

Diagnosis

No diagnoses are available