- limestones, can grow to a
length of 15 cm. Externally,
rostroconchs look much like
bivalves and
rostroconchs probably had an
extendable muscular foot, indicated...
- PMID 39779843. Mazaev, A. V. (2025). "The
first records of
bransoniid rostroconchs (Bransoniidae, Rostroconchia, Mollusca) in the
Pennsylvanian of the Russian...
- the scaphopods,
implying an
evolutionary succession from
ribeirioid rostroconch molluscs such as Pinnocaris. However, a
competing hypothesis suggests...
-
Runnegar reinterpreted Heraultipegma and
Watsonella as the
earliest known rostroconchs. In 1988,
Martin Kerber hesitantly synonymized Heraultipegma and Watsonella...
- and
colleagues in 2023
supports the
monophyly of Diasoma. The
extinct rostroconchs, a
group possibly ancestral to the Scaphopoda, are also
considered to...
- bilaterally-flattened
monoplacophoran mollusc, with a
morphological similarity to the
rostroconchs. Its s****
preserves evidence of
three mineralogical textures on its...
-
muddy shoals and
contain a
large number of
rugose corals, gastropods,
rostroconchs, and brachiopods. The
Marblehead Member consists of a lower, thick-bedded...
-
Ribeiria is a
genus of
rostroconch mollusc with a pegma, once
interpreted as an
intermediate between helcionellids (such as
Anabarella and Latouc****a)...
-
Pinnocaris is a
genus of
rostroconch mollusc known from the Cambro-Ordovician. It was once
considered as a
possible ancestor to the scaphopods, but this...
-
similarly bent, however.
Three species of
rostroconchs and six
species of
gastropods are also present. The
rostroconchs are
thought to have
lived like the clams...