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Fig. 8 | Swiss Journal of Palaeontology

Fig. 8

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

Fig. 8

Bivalves in the concretion. a Nucula planomarginata, AMNH 63605. b Nucula cancellata, AMNH 63606. c Nucula percrassa, with small epibiont, AMNH 63607. d Close-up of epibiont in c. e Nuculana (Jupiteria) scitula, AMNH 63608. f Nuculana (Jupiteria) scitula, AMNH 63609. g Nuculana (Nuculana) grandensis, AMNH 85570. h Malletia evansi, AMNH 63610. i Yoldia rectangularis, AMNH 63611. j Solemya subplicata, AMNH 63612. k Protocardia subquadrata, AMNH 63613, 63614. l, m Protocardia subquadrata, AMNH 63614. n Cuspidaria ventricosa, AMNH 63615. o Cymbophora warrenana, AMNH 63616. p Cucullaea nebrascensis, AMNH 63617. q Cuspidaria ventricosa, with hole, AMNH 63618. r Close-up of hole in q. s Cuspidaria moreauensis, AMNH 63619

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