-
sister to the
scaphopods with
helcionellids as the stem group. A
review of deep
molluscan phylogeny in 2014
found more
support for the
scaphopods, gastropods...
- metamorphosing, but
others may
settle on the
nearest suitable substrate. The
scaphopods, or tusk s****, have a
veliger larva very
similar to that of bivalves...
- are
hinged together and
joined by a ligament. The s**** of many of the
scaphopods ("tusk s****")
resembles a
miniature elephant's tusk in
overall shape...
-
invertebrate animals, evolved. This
phylum includes gastropods, bivalves,
scaphopods, cephalopods, and
several other groups. The
fossil record of mollusks...
-
phylum Mollusca is polyphyletic, and it can only be made
monophyletic if
scaphopods and
bivalves are excluded. A 2010
analysis recovered the
traditional conchiferan...
- apex is the
pointed tip (the
oldest part) of the s**** of a gastropod,
scaphopod, or cephalopod. The apex is used in end-blown conches. The word "apex"...
-
Scaphopods reported from the
Pierre Shale Formation Genus Species Location Stratigraphic position Material Notes Images Dentalium D.
gracile Bowman County...
-
Montenegro polyplacophorans 3
marine gastropods 199 (198 + 1)
marine bivalves 131
scaphopods 5
cephalopods 17
marine molluscs altogether 355...
- from
coasts off Asia—i.e. they are s**** of Indo-Pacific
species of
scaphopods.
Peoples of the
Northwest Pacific Coast would trade dentalium into the...
-
Croatia polyplacophorans ??
marine gastropods ??
marine bivalves ??
scaphopods ??
cephalopods ??
marine molluscs altogether ??...
