| Ailsacrinus Temporal range: Middle Jurassic
| |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Order: | Millericrinida |
| Genus: | †Ailsacrinus |
Ailsacrinus is an extinct genus of crinoid from the Middle Jurassic of Europe.12
References
References
- TAYLOR, P. D (1983). "Ailsacrinus gen. nov., an aberrant millericrinid from the Middle Jurassic of Britain". Ailsacrinus Gen. Nov., an Aberrant Millericrinid from the Middle Jurassic of Britain. 37 (2): 37–77. ISSN 0007-1471.
- Hess, Hans; Ausich, William I.; Brett, Carlton E.; Simms, Michael J. (2002). Fossil Crinoids. Cambridge University Press. p. 199. ISBN 978-0-521-52440-7.
- Fossils (Smithsonian Handbooks) by David Ward (Page 174)