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Guduguwan

Orthothecida - Circothecidae

Taxonomy
Guduguwan was named by Kruse (1990) [Many species described under the genus names Spinulitheca, Circotheca or other related genera may lack septa and so possibly belong within the new genus].

It was assigned to Larawidae by Kruse (1990) and Kruse (1997).

Species
G. hardmani
Species lacking formal opinion data
G. concava

Synonymy list
YearName and author
1990Guduguwan Kruse p. 42
1997Guduguwan Kruse p. 214

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
—Lophophorata
phylumHyolitha
orderOrthothecida
familyCircothecidae
genusGuduguwan

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.

G. †Guduguwan Kruse 1990
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†Guduguwan hardmani Foord 1890
Diagnosis
ReferenceDiagnosis
P. D. Kruse 1990Conch narrow; transverse section circular; sculpture of planar transverse growth lines, ribs or furrows; aperture perpendicular to coch axis or nearly so