PBDB Taxon

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Rhopalocoma

Stenuroidea - Rhopalocomidae

Taxonomy

Palaeocoma (Rhopalocoma) was named by Salter (1857). Its type is Palaeocoma (Rhopalocoma) pyrotechnica.

It was reranked as Rhopalocoma by Schuchert (1915), Spencer (1940), Spencer (1951), Owen (1965), Spencer and Wright (1966), Sepkoski (2002), Dean Shackleton (2005) and Blake (2013).

It was assigned to Palaeocoma by Salter (1857); to Lapworthuridae by Schuchert (1915); to Asterozoa by Spencer (1940); to Eophiuridae by Spencer (1951) and Owen (1965); to Stenurida by Sepkoski (2002); and to Rhopalocomidae by Spencer and Wright (1966), Dean Shackleton (2005) and Blake (2013).

Subtaxa

R. pyrotechnica

Synonymy list

Year	Name and author
1857	Palaeocoma (Rhopalocoma) Salter
1915	Rhopalocoma Schuchert p. 254
1940	Rhopalocoma Spencer pp. 534-539
1951	Rhopalocoma Spencer p. 111
1965	Rhopalocoma Owen p. 546
1966	Rhopalocoma Spencer and Wright p. U81
2002	Rhopalocoma Sepkoski
2005	Rhopalocoma Dean Shackleton p. 73
2013	Rhopalocoma Blake p. 367

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

Rank	Name	Author
subphylum	Eleutherozoa
—	Asterozoa	()
class	Stenuroidea	()
suborder	Proturina
family	Rhopalocomidae
genus	Rhopalocoma	()

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. †Rhopalocoma Salter 1857

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†Rhopalocoma pyrotechnica Salter 1857

Diagnosis

Reference	Diagnosis
J. Dean Shackleton 2005	Ambulacrals with groove spines; adambulacral groove spines paddle-shaped; adambularal vertical spines paddle-shaped; aboral pines club-shaped.