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Paterula balclatchiensis

Lingulata - Lingulida - Paterulidae

Discina balcletchiensis was named by Davidson (1883) [Discina? balcletchiensis].

It was recombined as Paterula balclatchiensis by Reed (1917) and Williams (1962).

Synonymy list
YearName and author
1883Discina balcletchiensis Davidson p. 210 figs. pl. xvii, fig. 41, non fig. 42
1917Paterula balclatchiensis Reed p. 800 figs. pl. i, figs. 14-17, 19, non figs. 18, 20
1962Paterula balclatchiensis Williams pp. 87 - 88 figs. P1. VI, figs. 28-30

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phylumBrachiopodaCuvier 1805
subphylumLinguliformeaWilliams et al. 1996
classLingulataGorjansky and Popov 1985
orderLingulidaWaagen 1885
superfamilyLinguloideaMenke 1828
familyPaterulidaeCooper 1956
genusPaterulaBarrande 1879
speciesbalclatchiensis(Davidson 1883)

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.

A. Williams 1962Cream- and translucent-brown, banded Paterula, subcircular in outline and slightly longer than wide, with a plane to slightly convex pedicle valve and a gently convex brachial valve about one-sixth as deep as long, umbones of both valves just anterior to the posterior portion of the peripheral rim, pedicle notch narrow and deep, ornamentation consisting of concentrically arranged lamellose growth-lines; internal impressions obscure except for a pair of narrowly divergent lines originating just anterior to the pedicle notch and extending for about one-half of the length of the valve.