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article on "
exogastric", but its
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Wiktionary entry "
exogastric" You can also:
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Exogastric in Wikipedia...
- only
permit large size to be
attained with a
straight s****,
whereas exogastric coiling –
initially rather rare –
permitted the
spirals familiar from...
-
genus can be
recognized by its
strongly compressed,
gradually expanding exogastrically curved s**** with a
strongly rounded dorsum and
acutely angled venter...
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nautilid family Centroceratidae.
Homaloceras is
characterized by a smooth,
exogastrically curved and
laterally compressed,
cyrtoconic to gyroconic, s**** with...
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family Acleistoceratidae. As with the ascleistoceratids, the
curvature is
exogastric, such that the
lower side, or venter, is on the
outside curve. The s****...
- end. It
bears pronounced concentric ribbing around its
strongly coiled exogastric s****. Peel, J. S. (1991). "Functional
Morphology of the
class Helcionelloida...
-
longitudinally convex. A few, the two
known genera in
Balkoceratidae are
exogastrically curved, with the
ventral side
convex and
dorsal side concave. Septa...
-
oncocerid family Nothoceratidae. Its s**** is
broadly expanding and
exogastrically curved such that the
flattened dorsum is on
longitudinally concave side...
- molluscs,
endogastric s**** coil
backwards (away from the head),
whereas exogastric s**** coil forwards; the
equivalent terms in
bivalved molluscs are opisthogyrate...
-
middle Ordovician Oncocerids (family Oncoceratidae). Its s**** is
curved exogastrically, such that the
ventral margin is
longitudinally convex, but less so...
