PBDB Taxon

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Pericosmus

Echinoidea - Spatangoida - Paleopneustidae

Taxonomy

Pericosmus was named by Agassiz (1847) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 2]. It is extant. Its type is Pericosmus latus. It is the type genus of Pericosmidae.

It was assigned to Echinoidea by Durham (1961); to Paleopneustidae by Henderson (1975) and Kier (1984); to Pericosmidae by Fischer (1966) and Ragaini (1994); and to Spatangoida by Sepkoski (2002).

Species

P. (Pericosmus), P. (Victoriaster), P. aguayoi (syn. P. giganteus, Mauritanaster depressus, Mauritanaster marroquinensis), P. altus, P. annosus, P. artemisae, P. atolladosae (syn. P. rojasi), P. blanquizalensis, P. borraeus, P. camagueyanus, P. crawfordi (syn. Linthia compressus, P. mccoyi, Meoma brevipatalata), P. cubanus, P. israelskyi, P. latus (type species), P. mortenseni, P. roigi, P. scaevus, P. valenzuelai, P. zanolettii

Species lacking formal opinion data

P. magnificus, P. spatangoides

Synonyms

Megalaster was named by Duncan (1877).

It was synonymized subjectively with Pericosmus by Henderson (1975).
Pericosmus cubanus was named by Palmer (1949).

It was considered a nomen nudum by Kier (1984).

Synonymy list

Year	Name and author
1847	Pericosmus Agassiz
1877	Megalaster Duncan p. 422
1949	Pericosmus cubanus Palmer
1961	Pericosmus Durham p. 481
1966	Pericosmus Fischer p. U568
1975	Pericosmus Henderson p. 54
1984	Pericosmus Kier p. 20
1994	Pericosmus Ragaini p. 289
2002	Pericosmus Sepkoski

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Echinodermata
subphylum	Eleutherozoa
—	Echinozoa	()
class	Echinoidea	()
subclass	Euechinoidea	Bronn 1860

Rank	Name	Author
superorder	Acroechinoidea	()
—	Carinacea
—	Irregularia	()
—	Atelostomata
order	Spatangoida
suborder	Paleopneustina
superfamily	Paleopneustidea
family	Paleopneustidae
genus	Pericosmus	Agassiz 1847

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.

G. Pericosmus Agassiz 1847

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Subg. Pericosmus (Pericosmus) Fischer 1966

Subg. †Pericosmus (Victoriaster) Lambert 1920

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†Victoriaster lamberti Sanchez Roig 1923

†Pericosmus aguayoi Sanchez Roig 1949

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Invalid names: Mauritanaster depressus Sanchez Roig 1949 [synonym], Mauritanaster marroquinensis Sanchez Roig 1953 [synonym], Pericosmus giganteus Sanchez Roig 1952 [synonym]

†Pericosmus altus Hutton 1873

†Pericosmus annosus Henderson 1975

†Pericosmus artemisae Sanchez-Roig 1953

†Pericosmus atolladosae Sanchez Roig 1951

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Invalid names: Pericosmus rojasi Sanchez Roig 1951 [synonym]

†Pericosmus blanquizalensis Sanchez Roig 1952

†Pericosmus borraeus Henderson 1975

†Pericosmus camagueyanus Sanchez Roig 1949

†Pericosmus crawfordi Hutton 1873

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Invalid names: Linthia compressus Duncan 1877 [synonym], Meoma brevipatalata Hutton 1873 [synonym], Pericosmus mccoyi Gregory 1890 [synonym]