Crucibulum (gastropod)

Crucibulum, commonly known as cup-and-saucer snails, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae.

For the fungal genus in family Nidulariaceae, see Crucibulum.

Crucibulum
Crucibulum scutellatum
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Calyptraeoidea
Family:
Calyptraeidae
Genus:
Crucibulum

Type species
Crucibulum planum Schumacher, 1817

Species
Crucibulum deformis, a fossil species from Miocene

Species within the genus Crucibulum include:

  • Crucibulum auricula (Gmelin, 1791)
  • Crucibulum concameratum Reeve, 1859
  • Crucibulum cyclopium Berry, 1969
  • Crucibulum lignarium (Broderip, 1834)
  • Crucibulum marense Weisbord, 1962
  • Crucibulum monticulus Berry, 1969
  • Crucibulum pectinatum Carpenter, 1856
  • Crucibulum personatum Keen, 1958
  • Crucibulum planum Schumacher, 1817
  • Crucibulum quiriquinae (Lesson, 1830)
  • Crucibulum scutellatum (W. Wood, 1828)
  • Crucibulum serratum (Broderip, 1834)
  • Crucibulum spinosum (Sowerby, 1824)
  • Crucibulum springvaleense Rutsch, 1942
  • Crucibulum striatum (Say, 1826)
  • Crucibulum subactum Berry, 1963
  • Crucibulum umbrella (Deshayes, 1830)
  • Crucibulum waltonense Gardner, 1947
Species brought into synonymy
  • Crucibulum extinctorium (Lamarck, 1822) : synonym of Calyptraea extinctorium Lamarck, 1822: synonym of Desmaulus extinctorium (Lamarck, 1822)
gollark: You can have "universal truth" with things like logical statements, where you can come up with things that are always true given some set of axioms. For physical/sciencey things you can just do "it's very unlikely for this to not be the case".
gollark: They... can be... good for explaining things. They aren't proofs but demonstrations.
gollark: Your analogies are bad because you can't derive ultimate universal truth from a few instances of something being true.
gollark: I guess something something precision errors.
gollark: Hmm, according to this normal CDF thing the probability of a negative IQ is just "zero".

References
  1. Schumacher (1817). Essai Vers test. 56: 182.


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