Malacology
Malacology is the study of mollusks. This includes animals like octopus, snails, slugs, and clams. It is the second largest phylum of animals, making them one of the most successful groups on the planet. There are over 80,000 described species of mollusks with many more left to be discovered. Mullusca is composed of 8 recognized classes including Cephalopoda, Gastropoda, Polyplacophora, Scaphapoda, Monoplacophorans, the Aplacophorans, Caudofoveata and Solenogastres, and Bivalvia.
Pygmy Slitmouth
(Pilsbry, 1900)
Stenotrema pilula
Class:
Order:
Family:
Gastropoda
Stylommatophora
Polygyridae
ANSP 67574 [lectotype]
Ecological Information
Native/Inavsive:
Native
Nature Serve Conservation Status:
G3: Vulnerable
Median Size:
4.3
Height:
Width:
5.8
Taper:
0.4
Taxonomic Information
Polygyra hirusta pilula
Original Combination:
Etymology
Original Description:
Smaller than typical hirsuta, with more elevated spire; whorls nearly 5, the last with well rounded periphery. surface beset with rather long, curved hairs. Parietal tooth sinuous, connected with the peripheral end of the outer lip by a callous ridge. Basal lip 3-toothed, the median notch much deeper than in hirsuta, with raised edges, the outer tooth small.
Alt. 4.5, diam. 6 mm.
The smallest specimens measure, alt. 4, diam. 5.5 mm.
Original Description Citation:
Citations
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