- 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...
- 1080/03115518.2024.2393905. Baranov, V. V.; Nikolaev, A. I. (2024). "New Taxa of
Spiriferids (Brachiopoda) from the
Lower Devonian Beds of
Northeastern Asia". Paleontological...
-
Neospirifer condor from Bolivia. The
specimen is 7 cm across. Tylothyris, a
spiriferid from the
Middle Devonian of
Wisconsin Rhynchotrema dentatum, a rhynchonellid...
- Monyash. A
spiriferid. S. cf.
bisulcatus Monyash. A
spiriferid. S.
planicostus Monyash. A
spiriferid. S.
triangularis Monyash. A
spiriferid. Spiriferoidea...
-
order Canalipalpata.
Spirorbis Indeterminate Punctospirifer Indeterminate Spiriferid brachiopod.
Neospirifer Indeterminate Juresania Indeterminate Productid...
-
support is loop
shaped in
contrast to the
spiralia of
similar looking spiriferids.
Terebratulids are also
distinguished by a very
short hinge line, and...
- spéc 11:365-378 M. R.
Sandy and R. B. Blodgett. 2000.
Early Jur****ic
spiriferid brachiopods from
Alaska and
their paleogeographic significance. PaleoBios...
