Boonea impressa explained

Boonea impressa, common name the impressed odostome, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of twelve known species within the Boonea genus of gastropods.^{[1] [2]}

The preferred host of this ectoparasite is the eastern oyster Crassostrea virginica.^[3]

Description

The thick shell is opaque and grows to a length of 6.7 mm. The teleoconch contains seven flat whorls with a deep suture. The body whorl has 15 revolving lines, the upper ones more distant, about four lines on the next whorl, the number of lines diminishing on the upper whorls. The columellar tooth is distinct.^[4]

Distribution

This species occurs in the following locations:

• Caribbean Sea
• Gulf of Mexico: Louisiana, Texas, Yucatan, Mexico
• Northwest Atlantic Ocean: Maryland, North Carolina, South Carolina, Virginia, Georgia, Florida
• the Atlantic Ocean off Brazil.

References

• Jacot, A. P. (1921). Some marine shells of Beaufort and vicinity. Journal of the Elisha Mitchell Scientific Society 36: 129-145, pls. 11-13
• Bartsch, P. 1955. The pyramidellid mollusks of the Pliocene deposits of North St. Petersburg, Florida. Smithsonian Miscellaneous Collections 125(2): iii + 102 pp., 18 pls.

External links

• Biodiversity Heritage Library (6 publications)
• Encyclopedia of Life
• USNM Invertebrate Zoology Mollusca Collection
• ITIS
• World Register of Marine Species

Notes and References

1. Bouchet, P. (2011). Boonea impressa (Say, 1822). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420437 on 2011-10-26
2. Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
3. http://www.biolbull.org/content/157/2/320.short Robert Robertson and Terry Mau-Lastovicka, The Eectoparasitism of Boonea and Fargoa (Gastropoda: Pyramidellidae); Biol Bull157: 320-333. (October 1979)
4. https://archive.org/stream/manualconch08tryorich#page/n5/mode/2up G.W. Tryon, Manual of Conchology vol. VIII p. 356; 1886 (described as Odostomia bisuturalis)