Callospiriferina cf. tumida ( Buch, 1837 )

Vörös, A., 2014, Early Jurassic brachiopods from diverse localities of northern Anatolia (Turkey), Fragmenta Palaeontologica Hungarica 31, pp. 7-49 : 31-32

Callospiriferina cf. tumida ( Buch, 1837)

(Figs 57–59)

* 1837 Spirifer tumidus . – BUCH, Über Delthyris, p. 53.

1971 Spiriferina tumida var. typica var. nov. – SUČIĆ-PROTIĆ, Mid. Lias. Brach. Yugosl. Carpatho-Balkanids (II), p. 51, pl. XVIII, figs 1–5, pl. XXXVI, fig. 2.

1977 Callospiriferina tumida (v. Buch) – ROUSSELLE, Spiriférines, p. 157, text-figs 1-B, 3, 4, pl. 1, fig. 2.

2000 Callospiriferina tumida (v. Buch, 1836) – ALMÉRAS & FAURÉ, Pyrénées, p. 206, text-fig. 38, pl. 22, figs 7, 8.

2003 Callospiriferina tumida (Buch, 1836) – DULAI, Hettangian and Early Sinemurian, p. 66, pl. XII, figs 1–4.

2010 Callospiriferina tumida (V. Buch, 1836) – ALMÉRAS et al., Massif Armoricain, p. 65, pl. 4, fig. 15, pl. 5, fig. 3.

2012 Callospiriferina tumida (v. Buch 1837) – HÖFLINGER,Deutsch.Lias,p. 93 +fig.(unnumbered).

2013 Callospiriferina tumida (V. Buch, 1834) – ALMÉRAS & COUGNON, Principaux genres, p. 21, pl. 1, figs 1, 2.

Material – Two specimens; one fragmentary specimen from Günüviran (Bilecik area), and a disarticulated ventral valve from Alacaatlı (Ankara area), loose from Upper Sinemurian to Pliensbachian interval .

Measurements –

L W T Ch

INV 2014.109. ~20.0 24.2 16.2 ~4.0 Remarks – This is the type species of the genus Callospiriferina , defined by ROUSSELLE (1977) as comprising the weakly ribbed spiriferinides with well-demarcated, smooth dorsal fold and ventral sulcus. Despite that its ventral beak is broken away, our specimens, especially the figured one, corresponds very well to the above description and to the figures cited in the synonymy.

In the original description of C. tumida (under the name “ Spirifer tumidus ”) BUCH (1837, p. 53) made reference to “ Spirifer pinguis Ziethen, 1830 ”, and introduced the name tumidus for substituting the name pinguis , which was preoccupied for a Carboniferous species of “ Spirifer ”. Nevertheless, the name pinguis remained popular for a long time, and many authors used it, until SUČIĆ-PROTIĆ (1971, p. 50) then ROUSSELLE (1977) cleared up this confusion. C. tumida is a Sinemurian to Pliensbachian species of widespread distribution from the NW- European and Alpine-Mediterranean regions to North Africa and Turkey.