Download e-book for kindle: Evolution of Tertiary Mammals of North America: Volume 2 - by Christine M. Janis

By Christine M. Janis

ISBN-10: 0511409966

ISBN-13: 9780511409967

ISBN-10: 0521781175

ISBN-13: 9780521781176

This can be a hands-on consultant for graduate scholars and younger researchers wishing to ideal the sensible talents wanted for a profitable learn occupation. through educating junior scientists to improve potent learn behavior, the booklet is helping to make the event of graduate learn a extra effective and lucrative one. The authors have taught a graduate path at the subject matters lined for a few years, and supply a pattern curriculum for teachers in graduate faculties eager to train an identical direction. issues lined contain: determining a study subject, division, and consultant; making workplans; the ethics of study; utilizing clinical literature; perfecting oral and written communique; publishing papers; writing proposals; coping with time successfully; and making plans a systematic profession and making use of for jobs in study and undefined. The wealth of recommendation is valuable to scholars, junior researchers and mentors in all fields of technology, engineering, and the arts.

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Extra resources for Evolution of Tertiary Mammals of North America: Volume 2 - Small Mammals, Xenarthrans, and Marine Mammals

Example text

Differs from Xanclomys in having all serrations except the first in a straight line when viewed in profile. Differs from other taxa with similarly low numbers of serrations in having a prominent anterolabial lobe. 92 mm. Average length of m1: unknown. Included species: F. palmorum only, known from locality CP13IIA∗ only. BIOLOGY AND EVOLUTIONARY PATTERNS Comments: Known from only the type and the anterior half of a second p4. Neoliotomus Jepsen, 1930a Type species: Neoliotomus conventus Jepsen, 1930a.

It differs, however, from Eucosmodontidae in the following respects: enamel prisms are small and circular; p3 is present; p4 crest is higher than the occlusal surface of m1–2; I2 has only one cusp; and P1–3 are all present and have two roots. As a result of her phylogenetic study, Simmons (1993) removed Neoliotomus from Eucosmodontidae. McKenna and Bell (1997) placed it in the Boffiidae sensu Hahn and Hahn, 1983, but changed the rank to that of tribe (and the taxon name to Boffiini) within the family Eucosmodontidae.

Is also known from localities? CP24B, NP3C, F, NP4, NP7C. Ptilodus Cope, 1881 (including Chirox Cope, 1884b) Type species: Ptilodus mediaevus Cope, 1881. Torrejonian of the San Juan Basin of New Mexico. Characteristics (from Krause, 1982b): Differs from Kimbetohia in having four cusps and two roots on P2; relatively narrow P4; and p4 with relatively high crown and arched posterior slope; no bifurcations on labial ridges relatively high first serration. Differs from Baiotomeus in having well-developed anterolabial bulge on p4; relatively highcrowned p4 with a less angular anterolabial lobe almost never bearing pseudoserrations; an m1 that is short relative to the lengths of p4 and m2.

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Evolution of Tertiary Mammals of North America: Volume 2 - Small Mammals, Xenarthrans, and Marine Mammals by Christine M. Janis

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