Zoology 365	Biology of Mammals
Spring Semester, 2006	Terri McElhinny- Michigan State University
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Review for Lab Practical 2

Below are pairs (or triplets) of taxa that we think you may find difficult to differentiate, at least at first glance. For each of the pairs below, make sure that you can identify at least one character that they share, and at least one distinguishing character to help you tell the difference between them.

Sigmodontinae, Murinae, and Arvicolinae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Heteromyidae and Dipodidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Caviidae and Chinchillidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Dasyproctidae and Hystricidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Castoridae, Myocastoridae, and Erithizontidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Lemuridae, Loridae and Galagonidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Tarsiidae and Callitrichidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Cebidae and Cercopithecidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Hylobatidae and Hominidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Molossidae and Phyllostomidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Rhinolophidae and Vespertilionidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Canidae and Ursidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Procyonidae and Mustelidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Phocidae and Otariidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Viverridae and Herpestidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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Felidae and Hyaenidae

Similarity/ies:______________________________________________

Distinguishing character(s):___________________________________
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