T. H. V. Rich. 1981. Origin and history of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [ER 4220]

Contributed by Benjamin Carter, entered by Benjamin Carter on 2025-01-24

Samples: none

Size measurements: Metechinus amplior (p4 length 2.3 mm), Metechinus amplior (p4 width 2.9 mm), Metechinus amplior (m1 length 5.3 mm), Metechinus amplior (m1 width 3.8 mm), Metechinus amplior (m2 length 4.0 mm), Metechinus amplior (m2 width 2.6 mm), Metechinus amplior (m1 length 5.0 mm), Metechinus amplior (m1 width 3.2 mm), Metechinus amplior (m1 length 6.1 mm), Metechinus amplior (m1 width 3.9 mm), Metechinus amplior (m2 length 4.1 mm), Metechinus amplior (m2 width 2.9 mm), Metechinus amplior (m1 length 5.8 mm), Metechinus amplior (m1 width 3.6 mm), Metechinus amplior (m2 length 4.1 mm), Metechinus amplior (m2 width 2.6 mm), Metechinus amplior (m2 length 4.3 mm), Metechinus amplior (m2 width 2.5 mm), Metechinus amplior (p4 length 2.7 mm), Metechinus amplior (p4 width 2.1 mm), Metechinus amplior (p4 length 2.4 mm), Metechinus amplior (p4 width 1.8 mm), Metechinus amplior (m1 length 6.0 mm), Metechinus amplior (m1 width 3.8 mm), Metechinus amplior (p4 length 2.2 mm), Metechinus amplior (p4 width 2.1 mm)