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From Wikipedia, the free encyclopedia
| Ainiktozoon loganense Temporal range: Ludlow |
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| Calymene blumenbachi & Ainiktozoon loganese | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Thylacocephala |
| Order: | Concavicarida |
| Genus: | Ainiktozoon Scourfield, 1937 |
| Species: | A. loganense |
| Binomial name | |
| Ainiktozoon loganense Scourfield, 1937 |
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Ainiktozoon is an enigmatic fossil genus from the Silurian of Scotland.[1] Originally described as an early chordate,[2] recent studies suggest that it was in fact an arthropod, more precisely a crustacean belonging to the little known extinct class Thylacocephala.[3]
The only discovered species, Ainiktozoon loganense, is known from a number of specimens from Silurian rocks (Ludlow series) at Lesmahagow in Scotland.[3] Ainiktozoon is Greek for "enigmatic animal", from αἰνικτός (aíniktós, "riddling, enigmatical").[2]
[edit] References
- ^ A. Ritchie (1985). "Ainiktozoon loganense Scourfield, a protochordate? from the Silurian of Scotland". Alcheringa 9 (2): 117–142. doi:10.1080/03115518508618961.
- ^ a b D. J. Scourfield (1937). "An anomalous fossil organism, possibly a new type of chordate, from the Upper Silurian of Lesmahagow, Lanarkshire – Ainiktozoon loganense, gen. et sp. nov". Proceedings of the Royal Society B 121 (825): 533–547. doi:10.1098/rspb.1937.0001.
- ^ a b Wim van der Brugghen, Frederick R. Schram & David M. Martill (1997). "The fossil Ainiktozoon is an arthropod" (PDF). Nature 385 (6617): 589–590. doi:10.1038/385589a0. http://dare.uva.nl/document/32632.
[edit] External links
- Images of Ainiktozoon (see the files whose names start "ain")
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