Ailsacrinus
Extinct genus of crinoids
Ailsacrinus
Temporal range:
Middle Jurassic
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Subphylum:
Crinozoa
Class:
Crinoidea
Order:
Millericrinida
Genus:
Ailsacrinus
Ailsacrinus
is an
extinct
genus
of
crinoid
from the
Middle Jurassic
of
Europe
.
[
1
]
[
2
]
^
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
.