Biology:Tanzanonautes
| Tanzanonautes tuerkayi | |
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| Genus: | Tanzanonautes Feldmann et al., 2007
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| Species: | T. tuerkai
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| Binomial name | |
| Tanzanonautes tuerkayi Feldmann et al., 2007
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Tanzanonautes tuerkayi is a species of fossil freshwater crab from Tanzania, the only species in the genus Tanzanonautes.[1] It is the oldest known freshwater crab, and probably dates from the Oligocene;[1][2] the next oldest specimens are from the Miocene.[1] A number of fragmentary remains were discovered in the Songwe Valley part of the East African Rift in Mbeya Region, Tanzania (approximately Template:Coor), in fragile sandstone sediments.[1] The animal had a carapace around 50 millimetres (2.0 in) across the widest part, which is around 15 mm (0.6 in) from the front of the carapace; the carapace is 44 mm (1.7 in) from front to back, and the slightly inward-curving rear edge of the carapace is 28 mm (1.1 in) across.[1] The genus name refers to Tanzania, the country where the fossil was found, while the specific epithet commemorates Michael Türkay, an authority on freshwater crabs.[1] The genus Tanzanonautes is assigned to the family Potamonautidae, although the characters mentioned in the family's diagnosis are missing from the fragmentary fossils available.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Rodney M. Feldmann; Patrick M. O'Connor; Nancy J. Stevens; Michael D. Gottfried; Eric M. Roberts; Sifa Ngasala; Erin L. Rasmusson; Saidi Kapilima (2007). "A new freshwater crab (Decapoda: Brachyura: Potamonautidae) from the Paleogene of Tanzania, Africa". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 244 (1): 71–78. doi:10.1127/0077-7749/2007/0244-0071. http://www.oucom.ohiou.edu/rukwa/documents/Feldmann%20et%20al%202007%20Tanzanian%20Crab.pdf.
- ↑ Sebastian Klaus; Darren C. J. Yeo; Shane T. Ahyong (2011). "Freshwater crab origins – laying Gondwana to rest". Zoologischer Anzeiger 250 (4): 449–456. doi:10.1016/j.jcz.2011.07.001.
Wikidata ☰ Q7684184 entry
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