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Eoplectodonta (Eoplectodonta) conspicua

Strophomenata - Strophomenida - Sowerbyellidae

Taxonomy
Plectambonites sericea conspicua was named by Reed (1917) [= Leptaena sericea, var. rhombica M'Coy, Davidson 1870 (pars), Mon. Brit. Foss. Brack., vol. iii, pt. vii, p. 325 (non pi. xlviii, figs. 20-22). = Leptaena sericea, var. rhombica, M'Coy, Davidson 1883 (pars), ibid., vol. v, Silur. Suppl., pp. 169, 227. ? = Leptaena quinquecodata, M'Coy 1852 (pars), Syn. Palseoz. Foss>. Woodtv. Mas., p. 236, pi. IH, fig.].

It was recombined as Eoplectodonta conspicua by Williams (1962); it was recombined as Eoplectodonta (Eoplectodonta) conspicua by Candela and Harper (2014).

Sister species lacking formal opinion data

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Synonymy list
YearName and author
1917Plectambonites sericea conspicua Reed pp. 882 - 883 figs. Plate XV, figs. 4-11
1962Eoplectodonta conspicua Williams pp. 182 - 185 figs. Pl. XVII, figs. 32, 38, 39
2014Eoplectodonta (Eoplectodonta) conspicua Candela and Harper pp. Supplement 1

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
RankNameAuthor
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familySowerbyellidaeOpik 1930
subfamilySowerbyellinaeOpik 1930
genusEoplectodontaKozlowski 1929
subgenusEoplectodontaKozlowski 1929
speciesconspicua()

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. Williams 1962Subquadrate, concavo-convex Eoplectodonta with an evenly convex to subcarinate transverse profile and rarely plicate anteriorly, pedicle valve almost three-fifths as long as wide; radial ornamentation consisting of differentially thickened parvicostellae, with a modal count of 15 costellae per 2 mm. in the median portions of pedicle valves about 5 mm. anterior of the umbones; postero-lateral rugae paired, acutely inclined to the hinge-line and more commonly numbering less than 7 within 5 mm. of the right side of the ventral umbo; elliptical impressions of ventral muscle-field broad, divided by a median ridge and possibly up to one-quarter as long as the pedicle valve; dorsal median septum strong, rising to a blunt point in the posterior half of the brachial valve.