Macoma (Rexithaerus) Conrad 1869 (tellin clam)

Bivalvia - Cardiida - Tellinidae

Alternative spelling: Rexithaerus

Parent taxon: Macoma according to J. A. Todd 2001

See also Durham 1944, Oldroyd 1925 and Sepkoski 2002

Sister taxa: Macoma (Heteromacoma), Macoma (Macoma), Macoma (Macoploma), Macoma (Salmacoma), Macoma albaria, Macoma astori, Macoma balthica, Macoma brota, Macoma carlottensis, Macoma constricta, Macoma copelandi, Macoma costaricana, Macoma danai, Macoma diabloensis, Macoma edentula, Macoma fusca, Macoma inornata, Macoma inquinata, Macoma kirkinskayae, Macoma lenis, Macoma limula, Macoma lissoni, Macoma marylandica, Macoma meroensis, Macoma nasuta, Macoma osakaensis, Macoma pabloensis, Macoma panzana, Macoma rosa, Macoma sheridani, Macoma simizuensis, Macoma sookensis, Macoma tenta, Macoma tenuiplicata, Macoma tigilensis, Macoma uruguayensis, Macoma yamadai

Subtaxa: Macoma (Rexithaerus) andersoni Macoma (Rexithaerus) dexioptera Macoma (Rexithaerus) expansa Macoma (Rexithaerus) indentata Macoma (Rexithaerus) secta

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Ecology: facultatively mobile infaunal deposit feeder

Distribution:

• Quaternary of Mexico (2 collections), New Zealand (1), United States (7: California)

• Pliocene to Pleistocene of United States (5: California)

• Pliocene of United States (11: California)

• Hemphillian of United States (1: California)

• Miocene to Pliocene of United States (3: California)

• Miocene of the Dominican Republic (2), Japan (1), New Zealand (1), the Russian Federation (2), United States (10: California)

• Oligocene of United States (3: Alaska, Washington)

Total: 49 collections including 56 occurrences

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