Punctum blandianum

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

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

Contents

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 USA, 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