Prosipho may also refer to the precursor to a siphuncle in cephalopods.
Prosipho is a genus of sea snails, marine gastropod mollusks in the family Prosiphonidae, the true whelks.
Description (Original description by J. Thiele in German) I would like to create a new group under the name Prosipho.
Compared to the Nordic species, the Antarctic ones are significantly smaller; the largest specimen I have is not yet 12 mm high. All of them show a distinct spiral sculpture on the lower whorls. The lower canal has a very variable length. The initial whorl is usually smooth, sometimes uniquely shaped, but in two species, the upper whorls are covered with longitudinal folds. None of the species mentioned perfectly match the specimens I have.
A left-handed coiling species, of which I only have two empty shells, is so similar to the mirror image of some of these species that it is likely closely related to them.
Dall established the genus Antistreptus for a similar left-handed form which he placed next to Trophon.
Species Species within the genus Prosipho include:
Prosipho amiantus Oliver & Picken, 1984 Prosipho antarctidis (Pelseneer, 1903) Prosipho astrolabiensis (Strebel, 1908) † Prosipho antarctocostata (Stilwell & Zinsmeister, 1992) Prosipho bisculptus Thiele, 1912 Prosipho certus Thiele, 1912 Prosipho chordatus (Strebel, 1908) Prosipho congenitus Smith, 1915 Prosipho crassicostatus (Melvill & Standen, 1907) † Prosipho delli (Stilwell & Zinsmeister, 1992) Prosipho elongatus Thiele, 1912 Prosipho enricoi Engl, 2004 Prosipho fuscus Thiele, 1912 (taxon inquirendum) Prosipho gaussianus Thiele, 1912 Prosipho glacialis Thiele, 1912 Prosipho gracilis Thiele, 1912 Prosipho grohae Engl, Winfried, 2005 Prosipho harrietae Engl & Schwabe, 2003 Prosipho hedleyi Powell, 1958 Prosipho iodes Oliver & Picken, 1984 † Prosipho lamesetaensis (Stilwell & Zinsmeister, 1992) † Prosipho lawsi (Stilwell & Zinsmeister, 1992) Prosipho mundus Smith, 1915 Prosipho nodosus Thiele, 1912 Prosipho pellitus Thiele, 1912 † Prosipho polaris (Stilwell & Zinsmeister, 1992) Prosipho propinquus Thiele, 1912 Prosipho pupa Thiele, 1912 Prosipho pusillus Thiele, 1912 Prosipho sindemarkae Engl & Schwabe, 2003 Prosipho spiralis Thiele, 1912 Prosipho tomlini Powell, 1957 Prosipho tuberculatus Smith, 1915 Prosipho turritus Oliver & Picken, 1984 Prosipho valdiviae Thiele, 1925 Prosipho wayae Engl, Winfried, 2005
Synonyms Prosipho aurora Hedley, 1916: synonym of Prosipho crassicostatus (Melvill & Standen, 1907) (superseded combination) Prosipho cancellatus E. A. Smith, 1915: synonym of Prosipho nodosus Thiele, 1912 Prosipho contrarius Thiele, 1912: synonym of Antistreptus contrarius (Thiele, 1912) (original combination) Prosipho daphnelloides A. W. B. Powell, 1958 : synonym of Prosipho elongatus Thiele, 1912 Prosipho hunteri Hedley, 1916: synonym of Prosipho nodosus Thiele, 1912 (superseded combination) Prosipho macleani Hedley, 1916: synonym of Prosipho mundus E. A. Smith, 1915 Prosipho madigani Hedley, 1916: synonym of Prosipho mundus E. A. Smith, 1915 (superseded combination) Prosipho nestoris (Fleming, 1948): synonym of Liratilia conquisita nestoris C. A. Fleming, 1948 : synonym of Liratilia conquisita conquisita (Suter, 1907) (superseded combination) Prosipho reversus Powell, 1958: synonym of Antistreptus reversus (A. W. B. Powell, 1958) (original combination) Prosipho perversus A. W. B. Powell, 1951: synonym of Antistreptus perversus (A. W. B. Powell, 1951) (original combination) Prosipho priestleyi (Hedley, 1916): synonym of Prosipho glacialis Thiele, 1912 Prosipho shiraseae Numanami, 1996: synonym of Prosipho nodosus Thiele, 1912 Prosipho similis Thiele, 1912: synonym of Prosipho antarctidis (Pelseneer, 1903) Prosipho torquatus Barnard, 1963: synonym of Belomitra torquata (Barnard, 1963)
References