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Taxonomy
Family:
PTYCHATRACTIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Turbinelloidea (Superfamily)
> Ptychatractidae (Family)
> Exilia (Genus)
> expeditionis (Species)
Genus Synonyms:
=Benthovoluta Kuroda & Habe, 1950
=Chathamidia Dell, 1956
=Daphnella (Surculina) Dall, 1908
=Fasciolaria (Mesorhytis) Meek, 1876
=Graphidula Stephenson, 1941
=Mesorhytis Meek, 1876
=Mitraefusus Bellardi, 1873
=Palaeorhaphis Stewart, 1927
=Phenacoptygma Dall, 1918
=Surculina Dall, 1908
=Zexilia Finlay, 1926
Synonymised Names:
=Chathamidia expeditionis Dell, 1956
=Surculina expeditionis (Dell, 1956)
Images: Exilia expeditionis (Dell, 1956)
Holotype, collected 10 Feb 1954, Chatham Rise, NZ (M.009260). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
PTYCHATRACTIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Neogastropoda (Order)
> Turbinelloidea (Superfamily)
> Ptychatractidae (Family)
> Exilia (Genus)
> expeditionis (Species)
Genus Synonyms:
=Benthovoluta Kuroda & Habe, 1950
=Chathamidia Dell, 1956
=Daphnella (Surculina) Dall, 1908
=Fasciolaria (Mesorhytis) Meek, 1876
=Graphidula Stephenson, 1941
=Mesorhytis Meek, 1876
=Mitraefusus Bellardi, 1873
=Palaeorhaphis Stewart, 1927
=Phenacoptygma Dall, 1918
=Surculina Dall, 1908
=Zexilia Finlay, 1926
Synonymised Names:
=Chathamidia expeditionis Dell, 1956
=Surculina expeditionis (Dell, 1956)
Details: Exilia expeditionis (Dell, 1956)
Size/Grows to:
Height 42mm, Width 20mm
Distribution:
Trawled off South Island east coast to Chatham Islands, 400-984 metres
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Kantor, Y.I., Bouchet, P., Oleinik, A. 2001 A revision of the Recent species of Exilia, formerly Benthovoluta (Gastropoda: Turbinellidae), Ruthenica, 11 (p.127)
  • Harasewych, M.G. 1987 A revision of the genus Benthovoluta with notes on the evolution of the subfamily Ptychatractinae (Prosobranchia: Turbinellidae), The Nautilus, 101(4) (p.177)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.217)
  • Dell, R.K. 1956 The archibenthal Mollusca of New Zealand, Dominion Museum Bulletin, 18 (p.118) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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