Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Protaspis

Pteraspidomorphi - Protaspidae

Synonymy list
YearName and author
1933Protaspis Bryant p. 294

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
RankNameAuthor
subphylumVertebrata
classPteraspidomorphiGoodrich 1909
subclassHeterostraciLankester 1868
familyProtaspidae
genusProtaspis

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.

Diagnosis
ReferenceDiagnosis
W. L. Bryant 1933These are relatively large forms in which the dorsal shield
is strongly vaulted, the rostral plate short and broad, the branchials narrow. The ventral shield is ovate or tongue- shaped and weakly curved, more so posteriorly. The dermal skeleton is very thin. Its surface is o'rnamented with fine, subparallel dentine ridges that follow the outlines of the various plates. Nine species of Protaspis are known.