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Denverus
Taxonomy
Denverus was named by Hutchison and Holroyd (2003). It is not extant. Its type is Denverus middletoni. It was considered monophyletic by Hutchison and Holroyd (2003).
It was assigned to Chelydridae by Hutchison and Holroyd (2003); to Protochelydrinae by Hutchison (2008); and to Panchelydridae by Joyce (2016).
It was assigned to Chelydridae by Hutchison and Holroyd (2003); to Protochelydrinae by Hutchison (2008); and to Panchelydridae by Joyce (2016).
Species
D. middletoni (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Denverus Hutchison and Holroyd |
| 2008 | Denverus Hutchison |
| 2016 | Denverus Joyce |
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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. †Denverus Hutchison and Holroyd 2003
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†Denverus middletoni Hutchison and Holroyd 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. H. Hutchison and P. A. Holroyd 2003 | Plastron without fontanelles; bridge area of plastron relatively wide, hyoplastral buttress terminates at peripheral 2; hypoplastral buttress terminates in middle of peripheral 7; lateral length of hypoplastron as long or longer than medial length; plastron attached to carapace with gomphotic sutures; bridge peripherals inflated with bone between dorsal and ventral arms medially; neurals thick centrally, thin laterally, and forming a central carina; dorsolateral and lateral carina present; area below posterodorsal part of pleural scales thickened; costals with coarse corrugations extending posterior to the interpleural sulci. Denverus resembles Protochelydra Erickson, 1973 and Chelydropsis Peters, 1868, and it differs from extant Chelydra Schweigger, 1812 and Macroclemys Gray, 1855 in the lack of plastral fontanelles, presence of well-developed pits in the bridge peripherals for reception of the plastral digitations, and anterior extent of the hyoplastral buttress. It differs from Chelydropsis and Protochelydra in the relatively greater anteroposterior thickness of the bridge,
strong development of the dorsal and dorsolateral carina, and hypoplastral buttress terminating on peripheral 7 rather than peripheral 8. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Uetz 2005 | |||||