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Acratocnus is an extinct genus of Caribbean sloths that were found on Cuba, Hispaniola (today the Dominican Republic and Haiti), and Puerto Rico during the Late Pleistocene and early-mid Holocene. Taxonomy
[7] [4] [note 1] The earliest evidence suggesting the presence of sloths in the Caribbean is a partial femur from the Early Oligocene of Puerto Rico. [8] Other pre-Pleistocene fossil remains include Imagocnus from the Early Miocene of Cuba, [9] and an indeterminate species from the Late Miocene of the Dominican Republic. [10]
Lesser Puerto Rican ground sloth (Acratocnus odontrigonus) - The lesser Puerto Rican ground sloth became extinct approximately 3000–4000 years ago. Puerto Rican caracara ( Caracara latebrosus ) Puerto Rican plate-tooth ( Elasmodontomys obliquus ) - The Puerto Rican plate-tooth, giant hutia or Puerto Rican paca became extinct approximately in ...
Ground sloths had dispersed into the Caribbean already by 31 million years ago, as evidenced by a femur found in Puerto Rico. [34] During the Miocene, sloths diversified, with the major families of sloths appearing during this period, [34] with diversity waxing and waning over the course of the Miocene. Megalonychid and mylodontid sloths had ...
"The IUCN Red List of Threatened Species: Mammals of Puerto Rico". IUCN. 2001 dead link ] "Mammal Species of the World". Smithsonian National Museum of Natural History. 2005. Archived from the original on 27 April 2007 "Animal Diversity Web". University of Michigan Museum of Zoology. 1995–2006
Acratocnus odontrigonus, a sloth known only from Puerto Rico. Acratocnus major, described on the basis of somewhat larger Puerto Rican sloth bones, simply represents large individuals of A. odontrigonus. [32] A small sloth femur has been found at an early Oligocene site in southwestern Puerto Rico. It is not sufficiently diagnostic to permit ...
SAN JUAN, Puerto Rico (AP) — A man who bred dogs for fighting for decades, selling them worldwide and exhibiting “extraordinary cruelty,” was sentenced to seven years in prison, the U.S ...
Artistic representation of the extinct Puerto Rican shrew. The richness of mammals in Puerto Rico, like many other islands, is low relative to mainland regions. The present-day native terrestrial mammal fauna of Puerto Rico is composed of only 13 species, all of which are bats. 18 marine mammals, including manatees, dolphins and whales, occur in Puerto Rican waters. [13]