Perrinia angulifera explained

Perrinia angulifera is a species of sea snail, a marine gastropod mollusc in the family Chilodontaidae.^{[1] [2] [3]}

Description

The size of the shell varies between 5 mm and 26 mm. The imperforate shell has an elevated-conoidal shape. The nearly plane whorls are imbricated and angulated below. They are longitudinally nodose-costate, and ornamented with transverse girdles of subdistant tubercles. The interstices are channelled. The body whorl is subangulate. The columella is straight and short. It terminates in a small tooth. The outer lip is subduplicate and sulcate inside.^[4]

Distribution

This marine species occurs in the Philippines and the Gulf of Oman.

External links

• Encyclopedia of Life
• World Register of Marine Species

Notes and References

1. Bouchet, P. (2012). Perrinia angulifera (A. Adams, 1853). Retrieved through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547191 on 2013-04-14
2. Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1-228.
3. Herbert D.G. (2012) A revision of the Chilodontidae (Gastropoda: Vetigastropoda: Seguenzioidea) of southern Africa and the south-western Indian Ocean. African Invertebrates, 53(2): 381–502. (6 November 2012)
4. https://archive.org/details/manualofconcholo111tryo Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia