<p>Note the asymmetrical vertex, involving the posterior accessory foramina, premaxillary splints, and nodular nasals and frontals. This and other photographs show the fossil whitened by a coating of sublimed ammonium chloride, unless stated otherwise.</p
CALOTRITON GRAY, 1858 Species: Calotriton arnoldi and Calotriton asper *. Otic–occipitum compl...
<p><i>Aprixokogia kelloggi</i> (USNM 187015), 11A, <i>Scaphokogia cochlearis</i> (MNHN PPI 229), 11B...
<p>Skull shown in dorsal (A) and ventral (B) views. Abbreviations: boc, basioccipital; bsph, basisph...
<p>A more detailed posterior basicranial illustration is in <a href="http://www.plosone.org/article/...
<p>Note that the lateral margin of the articulated closely follows the thin falciform process of the...
<p>Left lateral views of the type skull, OM GL 421, <i>Otekaikea marplesi</i>.</p
<p>Note: the foramen spinosum (covered posteriorly by a small tubercle); the large periotic fossa; a...
<p>All fossils other than <i>Prosqualodon australis</i> have been coated with sublimed ammonium chlo...
Side view of the skull and cervical vertebrae of an oreodont fossil shown against a light background
<p>Partial skull in: (A) anterior view, (B) posterior view, (C) dorsal view, (D) right lateral view,...
<p>Photograph of MB.Am.45.3 showing honeycombed sculpture on the right maxilla and tubercles on most...
Side View of Skull. This black and white photo shows a fossilized skull in a side view. It is long a...
<p><i>Aprixokogia kelloggi</i> (USNM 187015), 14A, <i>Scaphokogia cochlearis</i> (MNHN PPI 229), 14B...
<p>Right nasal in lateral (A) and dorsal (B) views. (C)-Right prefrontal in lateral view. (D)-Left f...
<p>Line drawings of GMPKU-P1358 (holotype) in <b>A</b>, dorsal; <b>B</b>, lateral view. Anterior fac...
CALOTRITON GRAY, 1858 Species: Calotriton arnoldi and Calotriton asper *. Otic–occipitum compl...
<p><i>Aprixokogia kelloggi</i> (USNM 187015), 11A, <i>Scaphokogia cochlearis</i> (MNHN PPI 229), 11B...
<p>Skull shown in dorsal (A) and ventral (B) views. Abbreviations: boc, basioccipital; bsph, basisph...
<p>A more detailed posterior basicranial illustration is in <a href="http://www.plosone.org/article/...
<p>Note that the lateral margin of the articulated closely follows the thin falciform process of the...
<p>Left lateral views of the type skull, OM GL 421, <i>Otekaikea marplesi</i>.</p
<p>Note: the foramen spinosum (covered posteriorly by a small tubercle); the large periotic fossa; a...
<p>All fossils other than <i>Prosqualodon australis</i> have been coated with sublimed ammonium chlo...
Side view of the skull and cervical vertebrae of an oreodont fossil shown against a light background
<p>Partial skull in: (A) anterior view, (B) posterior view, (C) dorsal view, (D) right lateral view,...
<p>Photograph of MB.Am.45.3 showing honeycombed sculpture on the right maxilla and tubercles on most...
Side View of Skull. This black and white photo shows a fossilized skull in a side view. It is long a...
<p><i>Aprixokogia kelloggi</i> (USNM 187015), 14A, <i>Scaphokogia cochlearis</i> (MNHN PPI 229), 14B...
<p>Right nasal in lateral (A) and dorsal (B) views. (C)-Right prefrontal in lateral view. (D)-Left f...
<p>Line drawings of GMPKU-P1358 (holotype) in <b>A</b>, dorsal; <b>B</b>, lateral view. Anterior fac...
CALOTRITON GRAY, 1858 Species: Calotriton arnoldi and Calotriton asper *. Otic–occipitum compl...
<p><i>Aprixokogia kelloggi</i> (USNM 187015), 11A, <i>Scaphokogia cochlearis</i> (MNHN PPI 229), 11B...
<p>Skull shown in dorsal (A) and ventral (B) views. Abbreviations: boc, basioccipital; bsph, basisph...
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