Crithe

Crithe is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Cystiscidae. This genus is sometimes still placed within the Marginellidae.

Crithe
Crithe caledonica
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Cystiscidae
Subfamily:	Cystiscinae
Genus:	Crithe Gould, 1860[1]
Type species
Crithe atomaria Gould, 1860[1]

These tiny gastropods have a shell which is colorless and is transparent when fresh.

Distribution

This genus is found in the Indo-Pacific.

Shell description

Shell minute to small, white, hyaline; spire usually immersed, rarely low; lip thickened, smooth, lacking denticulation; external varix absent; siphonal notch absent; posterior notch absent; columella multiplicate, with 6-8 plications plus parietal lirae, plications usually excavated inside aperture due to collabral parietal callus ridge.

Species

Species within the genus Crithe include:[2]

• Crithe algoensis (Smith, 1901)[3]
• Crithe atomaria Gould, 1860[1]
• Crithe caledonica Boyer, 2003[4]
• Crithe cassidiformis Boyer, 2018[5]
• Crithe cossinea Cossignani, 1997[6]
• Crithe gofasi Boyer, 2003[4]
• Crithe huna (Kay, 1979)
• Crithe marianoi Cossignani, 2001[7]
• Crithe nanaoensis (Habe, 1951)
• Crithe nipponica (Habe, 1951)
• Crithe togatulus Boyer, 2018

References

1. Gould, A.A. (1860). "Descriptions of new shells collected by the United States North Pacific Exploring Expedition". Proceedings of the Boston Society of Natural History. 7: 323–336. Retrieved 1 July 2020.
2. "Crithe". WoRMS. World Register of Marine Species. Retrieved 2018-12-20.
3. Smith, E.A. (1901). "On South African marine shells, with descriptions of new species". Journal of Conchology. 10: 104–116.
4. Boyer, Frank (2003). "The Cystiscidae (Caenogastropoda) from upper reef formations of New Caledonia". Iberus. 21 (1): 241–272. Retrieved 1 July 2020.
5. Boyer, F. (2018). "Révision des gastéropodes marginelliformes dans le récifal supérieur des Maldives". Xenophora Taxonomy. 21: 22–47.
6. Cossignani, T. (1997). "Descrizione di tre nuove marginelle (Gastropoda: Prosobranchia, Marginellidae e Cystiscidae)". Malacologia Mostra Mondiale. 24: 16–17.
7. Cossignani, T. (2001). "Descrizione di dieci nuove marginelle (Gastropoda: Prosobranchia, Marginellidae e Cystiscidae) della provincia Indo-Pacifica". Malacologia Mostra Mondiale. 35: 3–11.

• Coovert, Gary A. and Holly K. Coovert 1995. Revision of the Supraspecific Classification of Marginelliform Gastropods. The Nautilus 109(2 & 3):43-110. (latest family review)