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

Psammosteus falcatus

Pteraspidomorpha - Pteraspidiformes - Psammosteidae

Taxonomy
Psammosteus falcatus was named by Gross (1942). It is not extant.

It was replaced with Traquairosteus falcatus by Glinskiy and Nilov (2017).

Sister species lacking formal opinion data
P. taylori, P. toriensis

Synonymy list
YearName and author
1942Psammosteus falcatus Gross

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassPteraspidomorphi(Goodrich 1909)
RankNameAuthor
classPteraspidomorpha
subclassHeterostraciLankester 1868
orderPteraspidiformesBerg 1940
suborderPteraspidoidei(Janvier 1996)
familyPsammosteidaeTraquair 1896
genusPsammosteusAgassiz 1844
speciesfalcatusGross 1942

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.

†Psammosteus falcatus Gross 1942
show all | hide all
Diagnosis
No diagnoses are available
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: Kiessling 2004, Carroll 1988

Age range: Late/Upper Frasnian or 375.20000 to 372.15000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Frasnian375.2 - 372.15Russian Federation Psammosteus falcatus (238745)