Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Stenopterygius quadriscissus
Taxonomy
Stenopterygius quadriscissus was named by Quenstedt (1858) [Lectotype specimen given]. It is not extant. Its type specimen is GPIT 43/0219-1. Its type locality is Holzmaden, Univ Löwen, epsilon II/3, which is in a Toarcian marine shale in the Posidonia Shale Formation of Germany.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1858 | Stenopterygius quadriscissus Quenstedt |
1922 | Stenopterygius quadriscissus von Huene p. 40 |
2000 | Stenopterygius quadriscissus Maisch and Matzke p. 75 |
2003 | Stenopterygius quadriscissus McGowan and Motani |
2008 | Stenopterygius quadriscissus Maisch |
2010 | Stenopterygius quadriscissus Maisch |
2013 | Stenopterygius quadriscissus Fischer et al. |
2014 | Stenopterygius quadriscissus Arkhangelsky and Zverkov |
2016 | Stenopterygius quadriscissus Ji et al. p. 12 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Stenopterygius quadriscissus Quenstedt 1858
show all | hide all
Diagnosis
Reference | Diagnosis | |
---|---|---|
M. W. Maisch and A. T. Matzke 2000 | "Juveniles with numerous small teeth, adults lack dentition largely or entirely, snout long and robust, always longer than 2/3 skull length, often longer than 2/3 lower jaw length, orbit moderately large, high-crowned skull profile, maxilla does not reach naris, postfrontal and frontal in contact, head smaller than 1/3 preflexural length, forefins moderately large, mostly about 2/3 lower jaw length, body in adults stout with very long ribs." |