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Swiss Journal of Palaeontology
Fig. 10 | Swiss Journal of Palaeontology

Fig. 10

From: 3-D orientation and distribution of ammonites in a concretion from the Upper Cretaceous Pierre Shale of Montana

Fig. 10

Gastropods and other fauna in the concretion. a Drepanochilus evansi, AMNH 63631. b Rhombopsis intertextus, AMNH 63632. c Pyrifusus subdensatus, AMNH 63633. d Aporrhais biangulata, AMNH 63634. e Microbacia radiata, AMNH 63635. f Spherule of unknown origin, AMNH 63636. g Atira? nebrascensis, AMNH 63637. h Atira? nebrascensis, AMNH 63638. i Euspira obliquata, AMNH 63639. j Cylindrotruncatum demersum, AMNH 63640. k Oligoptycha concinna, AMNH 63641. l Dentalium pauperculum, AMNH 63642. m Dentalium gracile, with healed injury, AMNH 63643. n Close-up of injury in m. o Dentalium gracile, with hole, AMNH 63644. p Close-up of hole in o

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