Punctum blandianum

Punctum blandianum is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.

Punctum blandianum
Dorsal, ventral and apertural views of a shell of Punctum blandianum.
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
Superfamily:
Punctoidea
Family:
Punctidae
Genus:
Punctum
Species:
P. blandianum
Binomial name
Punctum blandianum
Pilsbry, 1900

Shell description

The shell of P. blandianum is between 1.1 and 1.3 mm wide. The outer shell surface has a sculpture of radial striae, which are obvious under magnification. The umbilicus is about one third the width of the shell.[1]

Distribution

This species is found in the United States, in the states of Tennessee, Virginia and Alabama.[2]

Habitat

Population sizes ofPunctum blandianum have been observed to be five times larger on highly acidic sites than on basic sites.[3]

References
  1. Pilsbry H.A. 1948. Land Mollusca of North America (North of Mexico). The Academy of Natural Sciences of Philadelphia, Monographs, 3, vol. 2 part 2: 521-1113.
  2. Burch, J.B. How to Know the Eastern Land Snails. WM. C Brown Co., Dubuque, IA 1962
  3. Nekola, J. C. 2010. Acidophilic Terrestrial Gastropod Communities of North America, Journal of Molluscan Studies Advance Access: doi:10.1093/mollus/eyp053



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