Nanorthis putilla Walcott 1924 (lamp shell)

Rhynchonellata - Orthida - Plectorthidae

Alternative combination: Eoorthis putillus

Full reference: C. D. Walcott. 1924. Cambrian and Ozarkian Brachiopoda, Ozarkian Cephalopods and Notostraca. Smithsonian Miscellaneous Collections 67:477-554

Belongs to Nanorthis according to C. Lochman 1966

See also Ulrich and Cooper 1938 and Walcott 1924

Sister taxa: Nanorthis carinata, Nanorthis hamburgensis, Nanorthis purmamarcaensis

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of the Russian Federation (1 collection), United States (13: Montana, North Dakota)

Total: 14 collections each including a single occurrence

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