Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tarkus squirei
Taxonomy
Tarkus squirei was named by Carnevale and Pietsch (2011). Its type specimen is MCSNV T158/T159, a partial skeleton, and it is a 3D body fossil. Its type locality is Monte Bolca, Pesciara (FMNH collection), which is in a Ypresian lagoonal/restricted shallow subtidal limestone in Italy. It is the type species of Tarkus.
Synonymy list
Year | Name and author |
---|---|
2011 | Tarkus squirei Carnevale and Pietsch p. 462 |
2014 | Tarkus squirei Bannikov p. 26 |
2014 | Tarkus squirei Carnevale et al. p. 42 |
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.
†Tarkus squirei Carnevale and Pietsch 2011
show all | hide all
Diagnosis
Reference | Diagnosis | |
---|---|---|
G. Carnevale and T. W. Pietsch 2011 | Tarkus is unique among ogcocephalids in having the body moderately depressed anteriorly; large disk nearly rounded in outline; thick and stout caudal peduncle; massive and dorso-ventrally depressed neurocranium; frontals folded medially to form a shallow groove for the illicium; teeth present on jaws and palate; 18–19 vertebrae; vertebral centra with slender elongate neural and haemal spines; neural and haemal spines of the penultimate vertebra greatly enlarged forming a thick and laterally compressed plate; epural elongate and slender; illicial bone pitted with two large and rounded ventral lobes plus a small median dorsal lobe; soft dorsal fin with broad base containing eight to ten rays; anal fin containing seven to nine rays; pectoral pedicels connected to the body wall by a membrane; pectoral fin contains 13 distally branched rays; body covered with thick, slightly overlapping tubercles of two different sizes and morphologies. |