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Pontolis kohnoi
Taxonomy
Pontolis kohnoi was named by Biewer et al. (2020). Its type specimen is LACM 118967, a partial skeleton (skull with associated mandibles and postcranial elements, including atlas, axis, an indeterminate cervical vertebra, several thoracic, lumbar, sacral, and cauda), and it is a 3D body fossil. Its type locality is Lambert Reservoir, which is in a Messinian marine horizon in the Capistrano Formation of California.
Synonymy list
Year | Name and author |
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2020 | Pontolis kohnoi Biewer et al. figs. Figs. 23–26) |
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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.
†Pontolis kohnoi Biewer et al. 2020
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Diagnosis
Reference | Diagnosis | |
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J. N. Biewer et al. 2020 | Pontolis kohnoi, sp. nov. differs from other species of Pontolis by having reduced to low frontal protuberances (c. 16[0]) and a single-rooted M1 (c. 77 [2]). It can be further differentiated from Po. barroni by a slender pterygoid strut (c. 13[0]) and by having postcanine teeth with large wear facets on their anterior and posterior
edges (c. 82[2]). It can be further differentiated from cf. Po. magnus by having a mandible with a straight ventral border (c. 45[0]), a mandibular condyle located slightly above the level of the tooth row (c. 47[0]), a medial shelf of the angular process (c. 49[1]), an anteroposteriorly short coronoid process (c. 50[0]), and lower postcanines with well-developed paraconid cusps (c. 66[0]). |