Agomphus pectoralis Cope 1870

Reptilia - Testudines - Kinosternoidea

Alternative combinations: Adocus pectorale, Adocus pectoralis, Pleurosternum pectorale

Synonyms: Adocus petrosus Cope 1868, Agomphus masculinus Wieland 1905, Agomphus petrosus Cope 1868, Agomphus tardus Wieland 1905, Agomphus turgidus Cope 1870, Emys petrosus Cope 1868, Emys turgidus Cope 1870

Full reference: E. D. Cope. 1870. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part II. Transactions of the American Philosophical Society, New Series 14:105-235

Belongs to Agomphus according to W. G. Joyce and J. R. Bourque 2016

See also Cope 1870, Cope 1871, Hay 1902, Hay 1908, Hutchison and Weems 1998, Knauss et al. 2011 and Wieland 1905

Sister taxa: Agomphus alabamensis, Agomphus oxysternum

Type specimens:

  • Agomphus pectoralis: AMNH 1478, a partial shell (both hyoplastral bones). Its type locality is David Haine's Marl Pit, Medford, which is in a Maastrichtian/Paleocene marine horizon in the Hornerstown Formation of New Jersey.
  • Adocus petrosus: AMNH 1482, a partial skeleton (a portion of the right hyoplastron; 5 peripheral bones, with perhaps a fragment of another; portions of four costal bones; a fragment of the right hypoplastron;). Its type locality is Gloucester city, which is in a Campanian marginal marine horizon in New Jersey.
  • Agomphus masculinus: YPM 671, a partial shell (complete plastron and some portions of the carapace, including some of the hinder peripherals). Its type locality is West Jersey Marl Company's Pit, Barnsboro, which is in a Maastrichtian terrestrial sandstone/marl in the New Egypt Formation of New Jersey.
  • Agomphus tardus: YPM 774, a partial shell (most of the nuchal, the second and the fifth neurals, the first and second left costals; fragments of the third and fifth, and the whole of the eighth right cos). Its type locality is Pemberton Marl Company pit (Hornerstown), which is in a Maastrichtian marginal marine marl in the Hornerstown Formation of New Jersey.
  • Emys turgidus: AMNH 1481, a partial shell (both hyoplastra somewhat damaged; the entoplastron; the fourth neural; the proximal ends of the third, fourth, fifth, and sixth costals of the left side, and of).

Distribution:

• Paleocene of United States (2: South Carolina collections)

• Cretaceous to Paleogene of United States (1: New Jersey)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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