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6,071 gastropods species
Meioceras cornucopiae
Amastra goniops
Caecum textile
Niveria nix
Amastra elliptica
Bulla ampulla
Sonorella insignis
Sonorella imperialis
Amastra elegantula
Sonorella imperatrix
Sonorella imitator
Amastra durandi
Pteropurpura macroptera
Nesopupa anceyana
Nassarius arcularia
Sonorella ashmuni
Sonorella ambigua
Amastra delicata
Sonorelix melanopylon
Sonorelix borregoensis
Amastra decorticata
Ceratostoma nuttalli
Sonorelix baileyi
Somatogyrus substriatus
Amastra cyclostoma
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