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Bairdemys miocenica
Taxonomy
Taphrosphys miocenica was named by Collins and Lynn (1936). Its type specimen is USNM 13784, a partial shell (anterior lobe of a plastron), and it is a 3D body fossil. Its type locality is Camp Roosevelt, Zone 10, which is in a Burdigalian estuary/bay claystone in the Calvert Formation of Maryland.
It was recombined as Bothremys miocenica by Zug (2001); it was considered a nomen dubium by Gaffney et al. (2006); it was recombined as Bairdemys miocenica by Weems and Knight (2013), Weems (2023).
It was recombined as Bothremys miocenica by Zug (2001); it was considered a nomen dubium by Gaffney et al. (2006); it was recombined as Bairdemys miocenica by Weems and Knight (2013), Weems (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Taphrosphys miocenica Collins and Lynn p. 155 |
| 2001 | Bothremys miocenica Zug p. 204 figs. Table 1 |
| 2013 | Bairdemys miocenica Weems and Knight p. 298 |
| 2023 | Bairdemys miocenica Weems |
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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.
†Bairdemys miocenica Collins and Lynn 1936
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. E. Weems and J. L. Knight 2013 | Anterior lobe of plastron short, broad and breadth, mesoplastral contact with hyoplastron indicates rounded with well developed but rather thin axillary but- that mesoplastra were relatively small, located far from the tresses, maximum length of hyoplastron about equal to its midline, and rather polygonal in shape. Intergular scute small, pentagonal, mostly located on the epiplastra and only slightly projecting backward onto the entoplastron; gular scutes small, triangular, and located far forward and entirely on only a small part of the epiplastra; humeral scutes also relatively small and forwardly located, meeting along the midline beneath the intergular; pectoral scutes large, cov- ering the anterior two-thirds of the hyoplastra, the posterior two-thirds of the entoplastron, and extending forward onto the posterior part of the epiplastra. Nuchal much wider at rear than at front, being anteriorly constricted by encroachment of the first peripherals; cervical scute not present. Caput of humerus elongated roughly along the axis of the humeral shaft, which is rather thick and stout. | |
| R. E. Weems 2023 | Anterior lobe of plastron short, broad, and rounded with well-developed but rather thin axillary buttresses, maximum length of hyoplastra about equal to their breadth, mesoplastral contact with hyoplastron indicates that mesoplastra were relatively small, located far from the midline, and rather polygonal in shape. Intergular scute small, pentagonal, mostly located on the epiplastra, and only slightly projecting backward onto the entoplastron; gular scutes small, triangular, and located far forward on only a small part of the epiplastra; humeral scutes also relatively small and forwardly located, meeting along the midline beneath the intergular; pectoral scutes large, covering the anterior two-thirds of the hyoplastra and the posterior twothirds of the entoplastron and extending forward onto the posterior parts of the epiplastra. Nuchal much wider at rear than at front, being anteriorly constricted by encroachment of the first peripherals; cervical scute not present. Caput of humerus elongated roughly along the axis of the humeral shaft, which is rather thick and stout. |