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Protaspis (Protaspis) dorfi

Pteraspidomorpha - Pteraspidiformes - Protaspidae

Taxonomy
Pteraspis dorfi was named by Bryant (1932). Its type specimen is PU 13492, a partial skeleton (A dorsal shield imbedded in red limestone), and it is a 3D body fossil.

It was recombined as Protaspis dorfi by Bryant (1933); it was recombined as Protaspis (Protaspis) dorfi by Denison (1970).

Sister species lacking formal opinion data
P. ovata, P. rotunda, P. sculpta

Synonymy list
YearName and author
1932Pteraspis dorfi Bryant p. 238 figs. Pl. II, Fig. 2; Pl. IV; Text fig. 3
1933Protaspis dorfi Bryant p. 296 figs. Pl. III; Pl. V, Fig. 2; Pl. VI; P1. VII; Text Fig. 1, B.
1970Protaspis (Protaspis) dorfi Denison p. 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderPteraspidiformesBerg 1940
familyProtaspidae
genusProtaspis
subgenusProtaspisBryant 1933
speciesdorfi()

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 1970Rostrum short (RL/TL= 0.14-0.18) and narrowly rounded anteriorly. Ornamentation very fine with 8 to 12 ridges per millimeter.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2017-04-17 15:11:50
Modified: 2017-04-17 15:11:50
Source: subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004

Age range: Emsian or 410.62000 to 393.47000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Emsian410.62 - 393.47USA (Wyoming) Protaspis dorfi (26176)