Ainiktozoon loganense ("Logan's enigmatic animal", from αἰνικτός (aíniktós, "riddling, enigmatical"), ζωόν living thing), is a fossil arthropod from the Silurian of Scotland.[1] It was found at the Birk Knowes site, part of the Patrick Burn Formation, near Lesmahagow.[2] Originally described as an early chordate,[3] recent studies suggest that it was in fact an arthropod, more precisely a thylacocephalan crustacean.[2]
| Ainiktozoon loganense Temporal range:
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|---|---|
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| Upside-down fossil specimen | |
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| Reconstruction | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Thylacocephala |
| Order: | †Concavicarida |
| Genus: | †Ainiktozoon Scourfield, 1937 |
| Species: | †A. loganense
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| Binomial name | |
| †Ainiktozoon loganense Scourfield, 1937
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References
edit- ^ Ritchie, A. (1985). "Ainiktozoon loganense Scourfield, a protochordate? from the Silurian of Scotland". Alcheringa. 9 (2): 117–142. doi:10.1080/03115518508618961.
- ^ a b van der Brugghen, Wim; Schram, F.R.; Martill, David M. (1997). "The fossil Ainiktozoon is an arthropod" (PDF). Nature. 385 (6617): 589–590. doi:10.1038/385589a0.
- ^ Scourfield, D.J. (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.
External links
edit- Images of Ainiktozoon fossils. btinternet.com (photos & drawings). Vendian. Archived from the original on 12 March 2007. (see the files whose names start "ain")
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