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Xystostrophia woolworthana

Strophomenata - Orthotetida - Chilidiopsidae

Taxonomy
Strophomena woolworthana was named by Hall (1857) [Lectotype designated by Stigall Rode 2005. ]. Its type specimen is AMNH 33145, a shell, and it is a 3D body fossil.

It was recombined as Orthothetes woolworthana by Hall and Clarke (1892); it was recombined as Schuchertella woolworthana by Alexander and Gibson (1993); it was recombined as Eoschuchertella woolworthana by Linsley (1994); it was recombined as Xystostrophia woolworthana by Stigall Rode (2005).

Synonymy list
YearName and author
1857Strophomena woolworthana Hall p. 8
1859Strophomena woolworthana Hall p. 192–193 figs. pl. 17 f. 1a–r, 2a–c
1892Orthothetes woolworthana Hall and Clarke p. 255 figs. pl. 9 f. 25–31
1993Schuchertella woolworthana Alexander and Gibson p. 27 fig. 3j
1994Eoschuchertella woolworthana Linsley figs. pl. 15 f. 1– 21
2005Xystostrophia woolworthana Stigall Rode pp. 161 - 162 fig. 8.1–8.3

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderOrthotetidaWaagen 1884
suborderOrthotetidina
superfamilyChilidiopsoideaBoucot 1959
familyChilidiopsidaeBoucot 1959
genusXystostrophia
specieswoolworthana()

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
A. L. Stigall Rode 2005Shell semielliptical, mucronate; ventral valve gently concave, brachial valve convex; dorsal and ventral interareas developed, apsacline; short dental ridges widely divergent; cardinal process bifid, two deep grooves per side, node developed at base; ventral muscle field flabellate with central myophore and bounding ridges posteriorly; parvicostellate with faint fila; shell impunctate.