Orthambonites exfoliata Raymond 1905 (lamp shell)

Rhynchonellata - Orthida - Orthidae

Alternative combinations: Desmorthis exfoliata, Hebertella exfoliata, Orthambonites exfoliatus

Full reference: P. E. Raymond. 1905. The fauna of the Chazy Limestone. The American Journal of Science 20:353-382

Belongs to Orthambonites according to G. A. Cooper 1956

See also Raymond 1905, Raymond 1911, Ulrich and Cooper 1938 and Welby 1961

Sister taxa: Orthambonites acutiplicatus, Orthambonites aequalis, Orthambonites angulatus, Orthambonites ardmillanensis, Orthambonites calligramme, Orthambonites decipiens, Orthambonites dinorthoides, Orthambonites exopunctata, Orthambonites fundata, Orthambonites inaequalis, Orthambonites kreklingensis, Orthambonites majuscula, Orthambonites majusculus, Orthambonites novitas, Orthambonites paucicostatus, Orthambonites proava, Orthambonites transversa, Orthambonites tuvensis

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of United States (2: Vermont collections)

• Chazy of United States (14: New York, Vermont)

Total: 16 collections each including a single occurrence

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