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Transcription
4. Scaphites nicolloti : Cast of the specimen
found by JAJ, in Maastrichtian of
Heemmoor-Werstede (Nordenhorst) Form,
and mentioned by him in his note
with Cobben & Reckzie.
JAJ points out that this specimen
has the relatively large umbilicus,
ventro-lateral nodes on septate portion
and venter like typical nicolloti. Only
specimen he knows from Europe that
resembles D. nic as he conceives of
the species
Cast of crushed specimen, ribbing
on septate part somewhat smeared but
standard. Umbilicus broader than
most nicolloti's and whorl height
does not expand as rapidly forward.
Body chamber not preserved. Still
D. nic is about all you could call it.
5. nicolloti vs constrictus
JAJ holds 2nd specimens confirm that
European constrictus characterized
by small umbilicus, ventro-lateral nodes
on body chamber only, relatively
course ribbing except in v. tenuistriatus,
and the Arizona venter.
He believes that there is a