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Trochactaeon allisoni

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Journal Article
Published: 01 January 2002
Journal of Paleontology (2002) 76 (1): 43–51.
... Oregon and represent the first records of these genera in western North America. The actaeonellid gastropod Trochactaeon ( Neocylindrites ) allisoni new species from these same deposits represents the first record of this genus in Oregon. The new species of Cercomya sensu stricto, Vernedia...
FIGURES
First thumbnail for: NEW EARLY LATE CRETACEOUS (CENOMANIAN) MOLLUSKS FR...
Second thumbnail for: NEW EARLY LATE CRETACEOUS (CENOMANIAN) MOLLUSKS FR...
Image
Figure2—New Late Cretaceous (Cenomanian) gastropod from east-central Oregon. Specimens coated with ammonium chloride. 1–5, Trochactaeon (Neocylindrites) allisoni n. sp., LACMIP loc. 9936; 1–2, holotype, LACMIP 12898, ×2.5; 1, apertural view; 2, abapertural view; 3, paratype, LACMIP 12899, abapertural view, ×2.1; 4, paratype, LACMIP 12900, abapertural view, ×1.5; 5, paratype, LACMIP 12901, interior view, ×1.8
Published: 01 January 2002
Figure 2 —New Late Cretaceous (Cenomanian) gastropod from east-central Oregon. Specimens coated with ammonium chloride. 1–5, Trochactaeon ( Neocylindrites ) allisoni n. sp., LACMIP loc. 9936; 1–2, holotype, LACMIP 12898, ×2.5; 1, apertural view; 2, abapertural view; 3, paratype, LACMIP