long-time lurker, first-time memer.

peftypefty

Hatchling
Registered
Joined
Apr 2, 2008
Messages
5
Asa here, just found my first Missouri cephalopods, now out for more. Meantime, enjoy:

sinistral hyperstrophy d and d alignments.png
 

peftypefty

Hatchling
Registered
Joined
Apr 2, 2008
Messages
5
This is hilarious and wonderful. Will the empty spaces be filled??
To maintain the coiling parameter scheme, the other two spots would have to be filled by species that coil only laterally but not at all ventrally or dorsally. And I'm not aware of any mollusks that do this :\ Maybe someone here can say if that's what spirorbids or some forams do or what microconchids are understood as having done.
 

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