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Striochonetes

Strophomenata - Productida - Rugosochonetidae

Taxonomy
Striochonetes was named by Waterhouse and Piyasin (1970) [Sepkoski's age data: P Leon-m P Guad-l Sepkoski's reference number: 418]. It is the type genus of Striochonetinae.

It was assigned to Striochonetinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1970Striochonetes Waterhouse and Piyasin p. 106
1970Ratburia Yanagida p. 85
2000Striochonetes Williams et al. p. 415
2002Ratburia Sepkoski, Jr.
2002Striochonetes Sepkoski, Jr.
2004Binderochonetes Afanasjeva pp. 162-164 figs. 1-5

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderProductidaSarycheva and Sokolskaya 1959
suborderChonetidina
superfamilyChonetoidea
familyRugosochonetidae
subfamilyStriochonetinaeWaterhouse and Piyasin 1970
genusStriochonetes

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
G. A. Afanasjeva 2004 (Binderochonetes)Shell medium-sized and semielliptic in outline. Ventral valve moderately inflated and having longitundinal hump-shaped eminence. Dorsal valve moderately concave. Cardinal margin denticulated. Sinus and fold undeveloped. On each side of beak, bases of four or five cardinal spines inclined laterally at angle of 50 degrees to cardinal margin. External radial ornamentation composed of numerous very thin and smooth striae. Inside ventral valve, median septum reaching middle of valve length. Inside dorsal valve, cardinal process high, trilobate, and having alveolus at base. Median septum stretching to middle of valve length and somewhat farther. Brachial ridges absent. Relatively large and irregularly arranged endospines located on internal surface of both valves.