Borsoniidae

Borsoniidae is a monophyletic family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.[1][2]

Borsoniidae
Apertural view of a shell of Tomopleura reevii
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Borsoniidae
Bellardi, 1875
Genera

See text

Synonyms[1]
  • Pseudotominae Bellardi, 1875
  • Zemaciinae Sysoev, 2003

In 2011, Bouchet, Kantor et al. brought genera from the subfamilies Clathurellinae and Raphitominae they were previously placed in the family Conidae), as well as genera from the subfamily Zemaciinae (at that point belonging to the family Turridae), together to form the family Borsoniidae. This re-arrangement was based on anatomical characters and a dataset of molecular sequences of three gene fragments [3]

Description

This family is a rather heterogenous group, with wide-ranging varieties in their properties. The medium- to large-sized shells are fusiform to biconic in shape. Their size has a wide range (between 5 mm and 80 mm). The shell can be longitudinally coarsely ribbed, but axial ribs are sometimes obsolete to absent. The smooth columella has a strong (one to three plicae) to obsolete plication upon the middle. This plication varies within genera. In the genus Cordiera there are two columellar plaits. The aperture is elliptical to oval in shape and it has a short to moderately long (e.g. Zemacies excelsa) siphonal canal and a deep anal sinus. The anterior canal has a moderate length and is slightly twisted to the left. The thin outer lip is arcuate. The vestigial or fully developed operculum has a terminal nucleus, and may be missing in some species. The radula is absent in the genus Zemacies.[4]

Genera
Genera brought into synonymy
  • Acrobela Thiele, 1925 : synonym of Microdrillia Casey, 1903
  • Acropota F. Nordsieck, 1977: synonym of Microdrillia Casey, 1903
  • Boettgeria Peyrot, 1931 : synonym of Boettgeriola Wenz, 1943
  • Boettgeriola Wenz, 1943 : synonym of Borsonia Bellardi, 1839
  • Genotia P. Fischer, 1883 : synonym of Genota H. Adams & A. Adams, 1853
  • Micantapex Iredale, 1936 : synonym of Bathytoma Harris & Burrows, 1891
  • Narraweena (gastropod) Laseron, 1954 : synonym of Maoritomella Powell, 1942
  • Oligotoma Bellardi, 1875 : synonym of Asthenotoma Harris & Burrows, 1891
  • Parabathytoma Shuto, 1961 : synonym of Bathytoma Harris & Burrows, 1891
  • Riuguhdrillia Oyama, 1951 : synonym of Bathytoma Harris & Burrows, 1891
  • Vexithara Finlay, 1926 : synonym of Typhlomangelia G.O. Sars, 1878
  • Viridoturris Powell, 1964 : synonym of Typhlomangelia G.O. Sars, 1878
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References
  1. Bouchet, P. (2011). Borsoniidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=153870 on 2011-08-12
  2. Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". Malacologia 47(1-2). ISBN 3-925919-72-4. 397 pp.
  3. Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). A new operational classification of the Conoidea. Journal of Molluscan Studies. 77, 273-308
  4. McLean, J.H. (1971) A revised classification of the family Turridae, with the proposal of new subfamilies, genera, and subgenera from the Eastern Pacific. The Veliger, 14, 114–130
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