Microtis (gastropod) explained

Microtis is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.^[1]

Description

The spiral shell is suborbicular and depressed. It has two tuberculated ridges. The spire is slightly projecting. The aperture is very large, and wider than long. Its interior is pearly within. The columellar margin is spiral and visible as far as the apex of the spire. There is no operculum.^[2]

Species

Species within the genus Microtis (gastropod) include:

• Microtis tuberculata A. Adams, 1850

The following species were brought into synonymy:

• Microtis heckeliana (Crosse, 1871): synonym of Microtis tuberculata A. Adams, 1850
• Microtis rubra (Deshayes, 1843): synonym of Stomatolina rubra (Lamarck, J.B.P.A. de, 1822)

Distribution

This marine genus occurs off Northern Australia and in the South Pacific Ocean

References

• A. Adams, 1850, Proceedings of the Zoological Society of London, 18: 36
• Stomatia (Microtis) H. Adams & A. Adams, 1850: Higo, S., Callomon, P. & Goto, Y. (2001) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Gastropoda Bivalvia Polyplacophora Scaphopoda Type Figures. Elle Scientific Publications, Yao, Japan, 208 pp
• Allan, J. (1935). Australian shells: ear shells and wide-mouthed shells. Aust. Mus. Mag. 5 (9)
• Wilson, B. (1993). Australian Marine Shells. Prosobranch Gastropods. Kallaroo, WA : Odyssey Publishing. Vol.1 1st Edn

External links

• GenBank
• World Register of Marine Species

Notes and References

1. Bouchet, P. (2012). Microtis H. Adams & A. Adams, 1850. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512300 on 2012-11-23
2. https://archive.org/details/manualofconcholo112tryo G.W. Tryon (continued by Pilsbry) (1890) Manual of Conchology XII Stomatellidae, Scissurellidae, Pleurotomariidae, Haliotidae, Scutellinidae, Addisoniidae, Cocculinidae, Fissurellidae