New Paleocene insectivores and insectivore classification. Bulletin of the AMNH ; v. 135, article 5
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Date
1967
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New York : [American Museum of Natural History]
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Abstract
"New genera and species are Pantinomia ambigua and Pantomimus leari, both possible pantolestids from the middle Paleocene; Leptonysson basiliscus, a middle Paleocene leptictid; and the apheliscines Parapheliscus bjorni and P. wapitiensis, the former from the late Paleocene and the latter from the early Eocene. Palaeosinopa senior is made the type of a new genus, Paleotomus, of the Palaeoryctidae, and the formerly referred specimens of this species are made a new species, Palaeosinopa simpsoni, of the Pantolestidae. These new taxa and other evidence indicate that the interrelationships of early Cenozoic insectivores are even more poorly understood than is commonly believed. The Pentacodontinae are removed from the Pantolestidae, provisionally as a separate family, and a number of generic synonymies and transfers of genera are made. These changes, together with a generic revision of the Leptictidae and other suggestions, do not greatly clarify which similarities among the families are convergent and which are indicative of relationship. A classification of the insectivores and deltatheridians is given that differs in a number of respects from the others available. New suprageneric taxa are the following: Erinaceota and Hyaenodonta, new suborders; Adapisoriculinae, Unuchiniinae Van Valen and McKenna, Thylacaelurinae, and Gypsonictopinae, new subfamilies; and Scaptonychini, new tribe. Primitive erinaceoids are more or less arbitrarily grouped into four subfamilies of the Adapisoricidae. The interrelations of moles are discussed. A family Plesiosoricidae is included in the Soricoidea. All zalambdodonts are tentatively removed from the Insectivora to the Deltatheridia, and recent work on the Hyaenodonta is critically reviewed. The Dermoptera and Macrocroscelidea are treated as suborders of the Insectivora"--P. 278.
Description
p. 219-284, [2] p. of plates : ill. ; 27 cm.
Includes bibliographical references (p. 278-284).
Includes bibliographical references (p. 278-284).
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