Classification
Domain Eukaryota
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Stylommatophora
Family Polygyridae
Genus Patera : Species Indianorum
Description of Classification
Domain Eukaryota- This domain consists of organisms containing a nucleus and membrane bound organelles (Hickman et al., 2009).
Kingdom Animalia- This kingdom consists of multicellular, eukaryotic organisms (Hickman et al., 2009). These organisms are heterotrophs (Hickman et al., 2009).
Phylum Mollusca- This phylum is characterized by soft bodies protected by a hard shell (Burch, 1962). Organisms are triploblastic and have bilateral symmetry (Hickman et al., 2009).
Class Gastropoda- Gastropods consist of mollusks with a flat ventral foot. These organisms digestive tract is not straight and often the anus lies near the head (Burch, 1962).
Order Stylommatophora- These organisms have two pairs of retractable tentacles with eyes located at the tips of the upper pair (Burch, 1962).
Family Polygyridae- These organisms are saucer shaped snails with lips that are reflected outward and feature toothed apertures (mouth-like openings) (Burch, 1962).
Genus Patera- The organisms in this genus have depressed shells with spiral lines of papillae lining the ridges. They have a toothless outer lip and the parietal tooth at the aperture is well developed (Pilsbry, 1940).
Species Indianorum- The shells of this species are depressed and thin. They are rarely larger than 22 mm in diameter. They have whorls radiating from the center with small ripples extending across them. The last whorl is rounded and higher at the front than at the back. They are often yellowish and color and glossy (Pilsbry,
For more information about polygyrid snails, visit: The Encyclopedia of Life
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