Ainiktozoon

Ainiktozoon loganense; Temporal range: Ludlow PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Artist's reconstruction
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

Ainiktozoon loganense is an enigmatic fossil organism 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 thylacocephalid crustacean.^[3]

A. loganense is known from a number of specimens from Silurian rocks (Ludlow series) at Lesmahagow in Scotland.^[3]

Etymology[]

The generic name Ainiktozoon is Greek for "enigmatic animal", from αἰνικτός (aíniktós, "riddling, enigmatical").^[2]

^ 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.

"Images of Ainiktozoon". Archived from the original on 2007-03-12. (see the files whose names start "ain")

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