Verhoeven’s giant rat of Flores (Papagomys theodorverhoeveni, Muridae) extinct after all?
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منابع مشابه
Stratigraphy and Phylogeny of the Giant Extinct Rat Kangaroos
The Giant Rat-kangaroos were placed in the Propleopinae by Archer & F\annery (1985) and in the Hypsiprymnodontidae by Ride (1993). Cladistic analysis of Ekaltadeta material from Riversleigh, northwestern Queensland (Wroe, 1996) suggested that a middle to late Miocene dichotomy in Ekaltadeta may have produced two lineages of Plio-Pleistocene Propleopus. indicating polyphyly for Propleopus and pa...
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their sperm. As mentioned above, if sperm were not adapted to survive (sperm longevity) inside the female’s reproductive tract, the female would be limited in her ability to maintain sperm. Males may face a trade-off between sperm competitive ability (fast-swimming sperm) and ability to be stored (long-lived and slow-swimming sperm). Sperm pre-adaptations for storage include a decreased sensiti...
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Sthenurine kangaroos (Marsupialia, Diprotodontia, Macropodoidea) were an extinct subfamily within the family Macropodidae (kangaroos and rat-kangaroos). These "short-faced browsers" first appeared in the middle Miocene, and radiated in the Plio-Pleistocene into a diversity of mostly large-bodied forms, more robust than extant forms in their build. The largest (Procoptodon goliah) had an estimat...
متن کاملThree dimensional digital reconstruction of the jaw adductor musculature of the extinct marsupial giant Diprotodon optatum
The morphology and arrangement of the jaw adductor muscles in vertebrates reflects masticatory style and feeding processes, diet and ecology. However, gross muscle anatomy is rarely preserved in fossils and is, therefore, heavily dependent on reconstructions. An undeformed skull of the extinct marsupial, Diprotodon optatum, recovered from Pleistocene sediments at Bacchus Marsh in Victoria, repr...
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Prior to human settlement 700 years ago New Zealand had no terrestrial mammals--apart from three species of bats--instead, approximately 250 avian species dominated the ecosystem. At the top of the food chain was the extinct Haast's eagle, Harpagornis moorei. H. moorei (10-15 kg; 2-3 m wingspan) was 30%-40% heavier than the largest extant eagle (the harpy eagle, Harpia harpyja), and hunted moa ...
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ژورنال
عنوان ژورنال: Contributions to Zoology
سال: 2008
ISSN: 1383-4517,1875-9866
DOI: 10.1163/18759866-07701004