- echinoderms, and were the most
common echinoderms during the Cambrian.
Eocrinoids were a
paraphyletic group that may have been
ancestral to six
other classes:...
- some
Eocrinoids†...
-
Cambrian Eocrinoids from
Western North America".
Journal of Paleontology. 39 (3): 355–364. JSTOR 1301709. Durham, J. (1978). "A
Lower Cambrian Eocrinoid". Journal...
- Canada. It is
related to Gogia. Sprinkle, J.; Collins, D. (2006). "New
eocrinoids from the
Burgess Shale,
southern British Columbia, Canada, and the Spence...
-
Eocrinoid holdfasts on an
Ordovician hardground in Utah...
-
Ubaghsicystis is a
genus of
eocrinoid known from the mid Cambrian. Gil Cid, María Dolores; Domínguez Alonso,
Patricio (December 2002). "Ubaghsicystis...
- organisms. The trilobite,
inarticulate brachiopod, archaeocyathid, and
eocrinoid faunas of the
Cambrian were
succeeded by
those that
dominated the rest...
-
viewpoint holds that
crinoids evolved from
within the
blastozoans (the
eocrinoids and
their derived descendants, the
blastoids and the cystoids), whereas...
- echinoderms,
algae and vetulicolians.
There are also the earliest-known
eocrinoids,
unidentified soft-bodied
animals and
abundant trace fossils. The Guanshan...
-
Walcott Quarry Trilobite Beds This
echinoderm was a
primitive member of the
eocrinoid group (which
despite the name weren't
closely related to crinoids). This...
