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Protaspis (Cyrtaspidichthys) ovata

Pteraspidomorpha - Pteraspidiformes - Protaspididae

Taxonomy
Cyrtaspis ovatus was named by Bryant (1932). Its type specimen is PU 13488, a partial skeleton (Dorsal and ventral shields of the same individual preserved as natural moulds of the inner surface of the dorsal shield and of the outer surface of the ventral ), and it is a mold. It is the type species of Cyrtaspidichthys.

It was recombined as Protaspis (Cyrtaspidichthys) ovata by Denison (1970).

Synonymy list
YearName and author
1932Cyrtaspis ovatus Bryant p. 242 figs. Pl. VI, Fig. 1, Text fig. 4
1933Cyrtaspis ovatus Bryant p. 304 figs. Pl. V, Fig. 3; Pl. XIV, Figs. 1, 2; Text Fig. 5
1970Protaspis (Cyrtaspidichthys) ovata Denison p. 20

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumCraniata
superclassPteraspidomorphi(Goodrich 1909)
classPteraspidomorpha
RankNameAuthor
subclassHeterostraciLankester 1868
orderPteraspidiformesBerg 1940
suborderPteraspidoidei(Janvier 1996)
familyProtaspididae
genusProtaspisWhitley 1940
subgenusCyrtaspidichthys
speciesovata()

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.

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Diagnosis
ReferenceDiagnosis
R. H. Denison 1970Shield very broad (or highly vaulted). Rostrum of moderate length (RL/TL=0.25 to 0.28) and rather sharply rounded anteriorly.
Measurements
No measurements are available
Composition: hydroxyapatitesubp
Locomotion: actively mobilep
Created: 2007-09-27 04:49:26
Modified: 2017-03-09 14:07:44
Source: subp = subphylum, p = phylum
Reference: Kiessling 2004

Age range: Emsian or 407.60000 to 393.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Emsian407.6 - 393.3USA (Wyoming) Protaspis ovata (26176)