Land Snails

Photo(s): Shell of Strobilops texasianus © Larry Watrous.

Click photo(s) to enlarge.

Strobilops texasianus (Pilsbry and Ferriss, 1906)

Family: Strobilopsidae
Common name: Southern Pinecone

Identification
Width: 2.4 mm
Height: 2 mm
Whorls: 5.5

The apex of this species’ shell is rounded, and the umbilicus is open but narrow. The reflected aperture forms a thick, slightly off-center half-circle, and a lamella extends along the top inside. The shell is brown. The radial ridges extend uninterrupted onto the bottom.

Ecology
Strobilops texasianus is found on old logs and in leaf litter. In Tennessee, Coney et al (1982) found this animal to be associated with leaf litter, with an affinity for steeper slopes and damper habitats than S. aeneus.

Taxonomy
Synonyms for S. texasianus are Strobilops aenea spiralis, S. labyrinthica texasiana, S. l. form parietalis, S. lonsdalei, S. parietalis, S. texasiana, and S. t. floridana.

Distribution
This animal is mostly found in the Southeast, From the Atlantic Coast, where it is frequent, west to Texas. In Virginia it is found in the eastern counties, particularly along the shore.

NatureServe Global Rank: G5
NatureServe State Rank: S3

 

Greg Kimber, Ken Hotopp 11/2012

Range Map (click to enlarge)