-
suspension feeders.
Spirifer acutiplicatus Hayasaka, 1933
Spirifer bambadhurensis Diener, 1903
Spirifer baschkirica Tschernyschew, 1902
Spirifer battu Gemmellaro...
-
Limestone consists of
several fossils, such as bryozoans, crinoids, and
spirifers, but lack
algae and
sponges that are
plentiful in the rest of the Permian...
-
southeastern part of the state. The
Benton County brachiopods included Atrypa and
Spirifer.
Corals of
Mississippian Iowa
included the
colonial Hexagonaria of southeastern...
-
Cyrtospirifer verneuili, also
called Spirifer verneuili, is an
extinct species of brachiopod. The
fossils are
present in the
Upper Devonian. In Cornwall...
- faulting;
estimated 2,000 feet (600 m).
Brachiopods abundant,
especially Spirifer, Cyrtospirifer, Productilla, Carmarotoechia, Atrypa. Stromatoporoids. Syringopora...
- †Cyrtospirifer Nalivkin, 1924
Species C.
verneuili (Murchison), 1840 (type) =
Spirifer verneuili, S.
lonsdalii C.
ainosawensis Tazawa,
Inose & Kaneko, 2017 C...
- †Sphenophyllum †Sphenophyllum
cuneifolium †Sphenopteris †
Spirifer †
Spirifer grimesi †
Spirifer rockymont****
Spirorbis †Stearoceras †Stethacanthus †Streptognathodus...
-
longifolium †Sphenophyllum
majus †Sphenopteris †
Spirifer †
Spirifer marionensis †
Spirifer opimus †
Spirifer rockymont****
Spirorbis †Spyroceras †Strepsodiscus...
- Two
specimens of
Spirifer striatus,
showing the
spiral coils. From
Monograph of
British Fossil Brachiopoda Vol. 4 Part 3,
Plate 31....
-
research of a
species of
brachiopod known as
Spirifer verneuilli (Etudes sur les
variations du
Spirifer Verneuilli).
Since 1910, the Prix
Gosselet is...