Quick Search
Arthritica crassiformis Powell, 1933Species Images
Holotype, collected Mahina Bay, Wellington, NZ. (M.001892). 3.5mm. © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND
External Web Links
Arthritica crassiformis Powell, 1933
Classification:
Mollusca (Phylum) > Bivalvia (Class) > Heterodonta (Subclass) > Galeommatoidea (Superfamily) > Lasaeidae (Family) > Arthritica (Genus)
Family:
LASAEIDAE
Size/Grows to:
Width 5.5mm, Height 4.5mm
Distribution:
North Island and northern part of South Island
Geographical Range:
ACE.
Notes:
Marine, Endemic. Commensal upon the pholad, rock boring Anchomasa, usually found around the base of the siphon and along the lower mantle edges
Distribution Map
 
References and Publications

Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approxomation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil