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Shikokuspira hamadai

Gastropoda - Cycloneritida - Neritopsidae

Taxonomy
Shikokuspira hamadai was named by Nishida (1969). Its type specimen is GS. D80, a shell, and it is a 3D body fossil. Its type locality is Ohirayama Mine, Tosa Limestone Co., which is in a Wordian carbonate limestone in the Takaoka Formation of Japan. It is the type species of Shikokuspira.

Synonymy list
YearName and author
1969Shikokuspira hamadai Nishida pp. 88 - 89 figs. pl. 3 f. 1-16; txt. f. 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassNeritimorpha
orderCycloneritida()
orderNeritoina(Rafinesque 1815)
superfamilyNeritopsoidea
familyNeritopsidaeGray 1847
subfamilyNeritopsinae
genusShikokuspira
specieshamadai

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Shikokuspira hamadai Nishida 1969
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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height18.20

Composition: aragonitef
Composition 2: low Mg calcitef
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2007-09-18 08:54:47
Modified: 2007-09-18 10:56:14
Source: f = family, c = class
Reference: Kiessling 2004

Age range: Wordian or 266.90000 to 264.28000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Wordian266.9 - 264.28Japan (Shikoku) Shikokuspira hamadai (type locality: 149241)