Published September 20, 2010
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Fig. 2 in An unusual early primate from the Paleocene Paskapoo Formation, Alberta, Canada
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Fig. 2. Comparative upper molar structure in plesiadapiform primates. A. Purgatorius sp., UALVP 51021, left M2, from Medicine Hat Brick and Tile Quarry, Rav W−1 horizon, Ravenscrag Formation, early Puercan (early Paleocene) (Johnston and Fox 1984; Fox and Scott in press), Saskatchewan, Canada, in occlusal (A1), lingually oblique (A2), anterior (A3), and posterior (A4) views. B. Phenacolemur sp. (Paromomyidae, Plesiadapiformes), UALVP 51028, incomplete left maxilla containing P4, M1–3, from Gao Mine, Paskapoo Formation, late Tiffanian (late Paleocene) (Fox 2005), Alberta, Canada, in occlusal view. These specimens illustrate a shallow, transverse trigon basin and substantial capacity for ectental movement of the lower molars on the uppers during the power stroke in a basal (A) and a derived (B) plesiadapiform; both are in marked contrast to upper molar structure and its implications in Phoxomylus puncticuspis (see text).
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Published as part of Fox, Richard C., 2011, An unusual early primate from the Paleocene Paskapoo Formation, Alberta, Canada, pp. 1-10 in Acta Palaeontologica Polonica 56 (1) on page 4, DOI: 10.4202/app.2009.0079, http://zenodo.org/record/12779560
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- Is cited by
- Taxonomic treatment: http://treatment.plazi.org/id/164E879CFFA98308B44CC22FE144FE35 (URL)
- Is part of
- Journal article: 10.4202/app.2009.0079 (DOI)
- Journal article: urn:lsid:plazi.org:pub:EA77FFE4FFA8830CB75EC503E53CFF94 (LSID)
- Journal article: http://publication.plazi.org/id/EA77FFE4FFA8830CB75EC503E53CFF94 (URL)
- Journal article: https://zenodo.org/record/12779560 (URL)