- a deep fold down the
center of the s****. The
feature that
gives the
spiriferids their name ("spiral-bearers") is the
internal support for the lophop****;...
- extinct.
Marine life
flourishes in warm
shallow reefs;
productid and
spiriferid brachiopods, bivalves, forams,
ammonoids (including goniatites), and orthoceridans...
-
while others like
Chonetes were more
conservative in form. Athyridids,
spiriferids, rhynchonellids, and
terebratulids are also very common. Inarticulate...
- the
Devonian of
Michigan (largest tube
diameter is 0.75 mm)
Devonian spiriferid brachiopod from Ohio
which served as a host
substrate for a
colony of...
-
Neospirifer condor from Bolivia. The
specimen is 7 cm across. Tylothyris, a
spiriferid from the
Middle Devonian of
Wisconsin Rhynchotrema dentatum, a rhynchonellid...
-
Afanasjevispirifer is an
extinct genus of
spiriferid brachiopods in the
family Delthyrididae. It was
described alongside the
related Talyndzhaspirifer...
-
Talyndzhaspirifer is a
genus of
spiriferid brachiopods in the
family Delthyrididae,
subfamily Howellellinae. It was
described alongside the
related Afanasjevispirifer...
-
support is loop
shaped in
contrast to the
spiralia of
similar looking spiriferids.
Terebratulids are also
distinguished by a very
short hinge line, and...
-
order Canalipalpata.
Spirorbis Indeterminate Punctospirifer Indeterminate Spiriferid brachiopod.
Neospirifer Indeterminate Juresania Indeterminate Productid...
- 1000-0674.20240722.001. Baranov, V. V.; Nikolaev, A. I. (2024). "New Taxa of
Spiriferids (Brachiopoda) from the
Lower Devonian Beds of
Northeastern Asia". Paleontological...
