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article on "
endogastric", but its
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endogastric" You can also:
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Endogastric in Wikipedia...
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Phragmoceratids are
characterized by
generally compressed,
upwardly curved endogastric s**** with slit-like
apertures for
egress and
ventral siphuncles with...
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coiling would prove to be
crucial to the ****ure
success of the lineages;
endogastric coiling would only
permit large size to be
attained with a
straight s****...
- Two
families are
recognized (Flower, 1964), the
generally straight to
endogastric Plectronoceratidae and the
slightly exogastric Balkoceratidae. Members...
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early Paleozoic. The
Reudemannoceratidae produced generally medium-sized
endogastric and
almost straight s**** with the
siphuncle slightly ventral from the...
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Plectronoceratoids are
generally small to tiny
forms with
orthoconic or
endogastric s****, a few
being exogastric, with
proportionally large ventral siphuncles...
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oncocerids that
contains genera characterized by
exogastric (or
rarely endogastric) gyrocones, brevicones, and torticones. that tend to
develop vestigial...
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Discosoridae comprise a
family of
endogastric discosorids (Cephalopoda, Nautiloidea), with
endocones in the siphuncle,
ranging from the
Middle Silurian...
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Cambrian to the
Lower Ordovician. They are
characterized by
straight and
endogastric s****,
often laterally compressed, so the dorso-ventral
dimension is...
- The
Cyrtogomphoceratidae are
endogastric, the Westonoceratidae, exogastric.
Ulrichoceras has a cyrtoconic,
endogastric s**** that
expands fairly rapidly...
