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Contraspina purdoni

Strophomenata - Productida - Echinoconchidae

Taxonomy
Productus purdoni was named by Davidson (1862).

It was recombined as Productus (Waagenoconcha) purdoni by Chao (1931); it was recombined as Productus (Ruthenia) purdoni by Reed (1944); it was recombined as Waagenoconcha purdoni by Waterhouse (1966), Zhang and Jin (1976) and Shimizu (1981); it was recombined as Contraspina purdoni by Waterhouse (2002).

Synonymy list
YearName and author
1862Productus purdoni Davidson p. 31 figs. Pl 2, fig 5
1865Productus purdoni Salter figs. Pl 5, fig 10
1884Productus purdoni Waagen p. 705 figs. Pl 73, figs 1-3
1897Productus purdoni Diener p. 21 figs. Pl 2, figs 1,2
1931Productus (Waagenoconcha) purdoni Chao p. 297 figs. Pl 29, fig 4
1944Productus (Ruthenia) purdoni Reed p. 59 figs. Pl 11, fig 4; pl 14, figs 3-5
1966Waagenoconcha purdoni Waterhouse p. 23 figs. Pl 4, figs 2,3; pl 5, figs 2,3
1976Waagenoconcha purdoni Zhang and Jin p. 176 figs. Pl 5, figs 1-3,5,6
1981Waagenoconcha purdoni Shimizu p. 74 figs. Pl 8, figs 12-14
2002Contraspina purdoni Waterhouse

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
RankNameAuthor
classStrophomenataWilliams et al 1996
orderProductidaSarycheva and Sokolskaya 1959
suborderProductidina
superfamilyEchinoconchoidea
familyEchinoconchidae
subfamilyJuresaniinaeMuir-Wood and Cooper 1960
tribeWaagenoconchiniMuir-Wood and Cooper 1960
genusContraspina
speciespurdoni()

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.

Diagnosis
ReferenceDiagnosis
J. B. Waterhouse 1966Large Waagenoconcha with moderately prominent little incurved massive ventral umbo, gently rounded shoulders and moderately deep sulcus; dorsal valve flat with low fold, spines with short elongated narrow bases.