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Tarkus
Taxonomy
Tarkus was named by Carnevale and Pietsch (2011). Its type is Tarkus squirei.
It was assigned to Ogcocephalidae by Carnevale and Pietsch (2011), Carnevale et al. (2014), Bannikov (2014).
It was assigned to Ogcocephalidae by Carnevale and Pietsch (2011), Carnevale et al. (2014), Bannikov (2014).
Species
T. squirei (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Tarkus Carnevale and Pietsch p. 462 |
| 2014 | Tarkus Bannikov p. 26 |
| 2014 | Tarkus Carnevale et al. p. 42 |
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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.
G. †Tarkus Carnevale and Pietsch 2011
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†Tarkus squirei Carnevale and Pietsch 2011
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. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Kiessling 2004 | |||||