Filodrillia Explained

Filodrillia is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae, the cone snails and their allies.^[1]

Description

Filodrillia is a genus from deep water which resembles Etrema in the form of the sinus, but not of the protoconch, but differs in the thin slender shell, turreted whorls, absence of ribs and varix. The spiral sculpture predominates.^[2]

Distribution

This marine genus is endemic to Australia and occurs off New South Wales, South Australia, Tasmania and Victoria.

Species

Species within the genus Filodrillia include:

• Filodrillia aikeni Stahlschmidt, 2015
• Filodrillia angulifera Cotton, 1947
• Filodrillia columnaria Hedley, 1922
• Filodrillia crebrespirata (Verco, 1909)
• Filodrillia delicatula Laseron, 1954
• Filodrillia dolorosa (Thiele, 1925)
• Filodrillia dulcis (G. B. Sowerby III, 1896)
• Filodrillia haswelli (Hedley, 1907)
• Filodrillia lacteola (Verco, 1909)
• Filodrillia mucronata Hedley, 1922
• Filodrillia ordinata Laseron, 1954
• Filodrillia ornata Hedley, 1922
• Filodrillia pergradata Cotton, 1947
• Filodrillia stadialis Hedley, 1922
• Filodrillia teres Laseron, 1954
• Filodrillia thornleyana Laseron, 1954
• Filodrillia tricarinata (Tenison-Woods, 1878)
• Filodrillia trophonoides (Verco, 1909)
• Filodrillia vitrea Laseron, 1954

Species brought into synonymy:

• Filodrillia recta (Hedley, 1903): synonym of Austrocarina recta (Hedley, 1903)
• † Filodrillia rupta Marwick, 1931: synonym of † Drilliola rupta (Marwick, 1931) (original combination)
• Filodrillia steira Hedley, 1922: synonym of Austroturris steira (Hedley, 1922)
• †Filodrillia studiosorum L. C. King, 1933 : synonym of † Maoritomella studiosorum (L. C. King, 1933) (original combination)
• † Filodrillia torquatella Marwick, 1931 : synonym of † Maoritomella torquatella (Marwick, 1931) (original combination)

References

• Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213-359, pls 42-56
• Taylor, J.D., Kantor, Y.I. & Sysoev, A.V. 1993. Foregut anatomy, feeding mechanisms, relationships and classification of the Conoidea (=Toxoglossa) (Gastropoda). Bulletin of the British Museum (Natural History) Zoology 59: 125-170
• Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). A new operational classification of the Conoidea. Journal of Molluscan Studies. 77, 273-308

Notes and References

1. Bouchet, P. (2015). Filodrillia Hedley, 1922. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432461 on 2016-03-06
2. https://archive.org/details/revisionofaustri00hedl Hedley, Charles (1920), A revision of the Australian Turridae; Records of the Australian Museum, vol. XIII nr. 6, Sydney