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Protaspis (Protaspis) bucheri

Pteraspidomorpha - Pteraspidiformes

Taxonomy
Pteraspis bucheri was named by Bryant (1932). Its type specimen is PU 13480, a partial skeleton (impression in yellow limestone of the dorsal and ventral shields of a fish, together with the dorsal spine and a few detached scales), and it is an impression.

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

Synonymy list
YearName and author
1932Pteraspis bucheri Bryant p. 232 figs. Pl. I; Pl. II, Fig. 1; Pl. III, Fig. 1-3; Pl. V, Fig. 2; Text Fig. 1
1933Protaspis bucheri Bryant p. 294 figs. Pl. I; Pl. II, Figs. 1, 2; Pl. V, Fig. 1; Pl. XXI, Fig. 2; Text Fig. 1
1970Protaspis (Protaspis) bucheri Denison p. 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumCraniata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderPteraspidiformesBerg 1940
suborderPteraspidoidei(Janvier 1996)
genusProtaspis
subgenusProtaspisBryant 1933
speciesbucheri()

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= 0.11-0.19) • and broadly rounded anteriorly. Ornamentation coarse with 4.5 to 6.5 ridges per millimeter.