PBDB Taxon

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Palaeosolaster

Asteroidea - Euaxosida - Palasterinidae

Taxonomy

Palaeosolaster was named by Stürtz (1899) [Sepkoski's age data: D Emsi-l]. Its type is Palaeosolaster gregoryi. It is the type genus of Palaeosolasteridae.

It was assigned to Eoactinidae by Spencer (1925); to Palaeosolasteridae by Schuchert (1915) and Lehmann (1957); to Hemizonida by Sepkoski (2002); and to Palasterinidae by Owen (1965), Spencer and Wright (1966) and Blake (2018).

Species

P. gregoryi (syn. Helianthaster roemeri, Echinodiscus multidactylus, Echinostella traquairi, Echinasterias spinosus) (type species), P. gyalum

Synonyms

Echinasterias was named by Stürtz (1899). Its type is Echinasterias spinosus.

It was synonymized subjectively with Palaeosolaster by Spencer (1925).

It was assigned to Palaeosolasteridae by Schuchert (1915).
Echinodiscus was named by Stürtz (1899). Its type is Echinodiscus multidactylus.

It was corrected as Echinodiscaster by Delage and Herouard (1904) and Schuchert (1915); it was corrected as Echinodiscites by Schuchert (1914); it was synonymized subjectively with Palaeosolaster by Spencer (1925).

It was assigned to Asteroidea by Delage and Herouard (1904); to Cryptozonia by Schuchert (1914); and to Palaeosolasteridae by Schuchert (1915).
Echinostella was named by Stürtz (1899). Its type is Echinostella traquairi.

It was synonymized subjectively with Palaeosolaster by Spencer (1925).

It was assigned to Palaeosolasteridae by Schuchert (1915).

Synonymy list

Year	Name and author
1899	Palaeosolaster Stürtz pp. 226-229 figs. pl. 2 figs. 1-3
1899	Echinasterias Stürtz p. 230
1899	Echinodiscus Stürtz pp. 231-233
1899	Echinostella Stürtz pp. 233-235
1904	Echinodiscaster Delage and Herouard
1914	Echinodiscites Schuchert p. 15
1915	Palaeosolaster Schuchert pp. 209-210 figs. pl. 34
1915	Echinasterias Schuchert p. 211
1915	Echinodiscaster Schuchert p. 211
1915	Echinostella Schuchert p. 212
1925	Palaeosolaster Spencer p. 337
1957	Palaeosolaster Lehmann pp. 118-119
1965	Palaeosolaster Owen p. 563
1966	Palaeosolaster Spencer and Wright p. U45
2002	Palaeosolaster Sepkoski
2018	Palaeosolaster Blake p. 27

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

Rank	Name	Author
subphylum	Eleutherozoa
—	Asterozoa	()
class	Asteroidea
order	Euaxosida
family	Palasterinidae
genus	Palaeosolaster

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. †Palaeosolaster Stürtz 1899

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†Palaeosolaster gregoryi Stürtz 1899

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Invalid names: Echinasterias spinosus Stürtz 1899 [synonym], Echinodiscus multidactylus Stürtz 1899 [synonym], Echinostella traquairi Stürtz 1899 [synonym], Helianthaster roemeri Clarke 1908 [synonym]

†Palaeosolaster gyalum Clarke 1908

Invalid names: Echinasterias Stürtz 1899 [synonym], Echinodiscus Stürtz 1899 [synonym], Echinostella Stürtz 1899 [synonym]

Diagnosis

No diagnoses are available