Argonauta joanneus
| Argonauta joanneus Temporal range: Middle Miocene | |
|---|---|
 | |
| Type specimen (lateral and keel views) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Octopoda |
| Family: | Argonautidae |
| Genus: | Argonauta |
| Species: | †A. joanneus |
| Binomial name | |
| Argonauta joanneus Hilber, 1915[1] | |
Argonauta joanneus is an extinct species of octopus assigned to the genus Argonauta. It was described in 1915 based on fossil material from the Middle Miocene of Austria.[1][2] It was found in fine sandy clay.[1]
The type specimen, a fossilised eggcase, measures 84 mm in diameter at its widest point but is only 18 mm thick.[1] The mouth is 48 mm wide.[1]
References
- 1 2 3 4 5 (German) Hilber, V. 1915. "Der älteste bekannte und erste miozäne Argonauta." (PDF). Mitteilungen des naturwissenschaftlichen Vereins für Steiermark 51: 107–110.
- ↑ Martill, D.M. & M.J. Barker 2006. A paper nautilus (Octopoda, Argonauta) from the Miocene Pakhna Formation of Cyprus. Palaeontology 49(5): 1035-1041. doi:10.1111/j.1475-4983.2006.00578.x
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