Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Pseudotrigonograptus ensiformis

Pterobranchia - Graptoloidea - Tetragraptidae

Taxonomy
Graptolithus ensiformis was named by Hall (1858).

It was recombined as Retiolites ensiformis by Hall (1865); it was recombined as Trigonograptus ensiformis by Ruedemann (1947); it was recombined as Pseudotrigonograptus ensiformis by Rickards (1973).

Synonyms
Synonymy list
YearName and author
1858Graptolithus ensiformis Hall p. 133
1865Retiolites ensiformis Hall p. 114 figs. Pl. 14, Figs 1-5
1947Trigonograptus ensiformis Ruedemann p. 448 figs. PI. 76 f. 58
1958Trigonograptus angustus Mu and Lee p. 396 figs. PI. 2, f..1-12, Text-fig. 4.
1958Pseudotrigonograptus uniformis Mu and Lee p. 397 figs. pl. 3 f. 1-10
1958Pseudotrigonograptus magnus Mu and Lee p. 398 figs. PI. 2 f 13-14
1973Pseudotrigonograptus ensiformis Rickards pp. 599 - 602 figs. 1-3

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumHemichordataBateson 1885
RankNameAuthor
classPterobranchiaLankester 1877
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderDichograptinaLapworth 1873
familyTetragraptidaeFrech 1897
genusPseudotrigonograptus
speciesensiformis(Hall 1858)

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.

show all | hide all
Invalid names: Pseudotrigonograptus angustus Mu and Lee 1958 [synonym], Pseudotrigonograptus magnus Mu and Lee 1958 [synonym], Pseudotrigonograptus uniformis Mu and Lee 1958 [synonym]
Diagnosis
No diagnoses are available