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Microcystis buckorum

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General Information

COOK ISLANDS STATUS: Native, Endemic of Cooks, 1-island, ?Extinct; S.Group only (Mangaia only, ?Extinct); Land, makatea only

SIGNIFICANCE LIST: ; Endemic on Mangaia, one dead specimen only

KEY FEATURES: Spiralled low-conical shell, 2.5x1.0mm(ØxH). SHELL disc-shaped with outer whorl strongly angled. Known from a single dead deal.

Enlarged Image of 'Microcystis buckorum'

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea: -
RR	MG	AT	MK	MT	AK	PL	TK	MN
-	P?X	-	-	-	-	-	-	-

Northern Group: -
TN	MH	RK	PK	NS	SW
-	-	-	-	-	-

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Microcystis buckorum Baker, 1938
TAXONOMY: ANIMALIA; MOLLUSCA; GASTROPODA; PULMONATA; Stylommatophora; Sigmurethra; Aulacopoda; Limacacea; HELICARIONIDAE (=Zonitoids)

Vouchers & References

Vouchers:
Mangaia: One dead specimen, 1930, P.Buck, under stones, damp makatea Oneroa 1,200ft inland, in Baker 1938 as Microcystis backorum.

References:
Special Reference: Baker (19xx) Zonitid snails from Pacific Islands - Pt.1:75 - a new species from Mangaia makatea, dead, under stones (Coll. P.Buck, 1930).

Data Update History (information):
zB02, zD05b

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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