†Hyalina (Cystiscus) instabilata Hanna 1924 (snail)
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Gastropoda - Neogastropoda - Cystiscidae
Alternative combination: Marginella instabilata
Synonym: Marginella pacifica Dickerson 1917 [replaced name]
Belongs to Hyalina (Cystiscus) according to U. S. Grant, IV and H. R. Gale 1931
See also Dickerson 1917, Durham 1944 and Hanna 1924
Sister taxa: none
Ecology: epifaunal carnivore
Distribution:
• Eocene of United States (2: Washington collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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