Pollicina

Pollicina; Temporal range: Ordovician PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca (?)
Genus:	†Pollicina

Pollicina is a genus of problematic conical, septate, gently spiralling shell assigned to the Mollusca. Classification to a smaller rank is not possible based on the limited characters displayed.

References

↑ Evans, D. H.; Cope, J. C. W. (2003). "Systematic position of Pollicina corniculum (Eichwald, 1860) (Mollusca, Tergomya) from the Middle Ordovician of the United Kingdom". Palaeontology. 46 (1): 139–149. Bibcode:2003Palgy..46..139E. doi:10.1111/1475-4983.00291.

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[Evans2003-1] Evans, D. H.; Cope, J. C. W. (2003). "Systematic position of Pollicina corniculum (Eichwald, 1860) (Mollusca, Tergomya) from the Middle Ordovician of the United Kingdom". Palaeontology. 46 (1): 139–149. Bibcode:2003Palgy..46..139E. doi:10.1111/1475-4983.00291.