Miocnus

Miocnus is an extinct genus of ground sloths of the family Megalocnidae endemic to Cuba during the Pleistocene and very early Holocene epochs, living from 1.8 Mya—11,000 years ago, existing for approximately 1.789 million years.[2]

Miocnus
Temporal range: Pleistocene
↓
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Xenarthra
Infraorder:
Pilosa
Family:
†Megalocnidae[1]
Genus:
†Miocnus

Matthew (1931)
Species
  • †M. antillensis (Type)

Taxonomy

Miocnus was named by Matthew (1931). Its type is Miocnus antillensis. It was assigned to Megalonychidae by Matthew (1931) based on morphological considerations,[3] and subsequently moved to Megalocnidae by Presslee et al. (2019) based on molecular sequence data.[1]

Fossil distribution

Sites and ages of specimen (complete list):

  • Casimba, Cuba ~1.8 Mya–11,000 years ago.
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References
  1. Presslee, S.; Slater, G. J.; Pujos, F.; Forasiepi, A. M.; Fischer, R.; Molloy, K.; Mackie, M.; Olsen, J. V.; Kramarz, A.; Taglioretti, M.; Scaglia, F.; Lezcano, M.; Lanata, J. L.; Southon, J.; Feranec, R.; Bloch, J.; Hajduk, A.; Martin, F. M.; Gismondi, R. S.; Reguero, M.; de Muizon, C.; Greenwood, A.; Chait, B. T.; Penkman, K.; Collins, M.; MacPhee, R.D.E. (2019). "Palaeoproteomics resolves sloth relationships". Nature Ecology & Evolution. 3 (7): 1121–1130. doi:10.1038/s41559-019-0909-z. PMID 31171860.
  2. http://paleodb.org/cgi-bin/bridge.pl?action=displayCollectionDetails&collection_no=37704 Paleobiology database: Casimba collection.
  3. W. D. Matthew. 1931. Genera and new species of ground sloths from the Pleistocene of Cuba. American Museum Novitates 511:1-5


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