Eleutherokomma zarecznyi ( Gürich, 1903 )

Baliński, Andrzej, 2006, Brachiopods and their response to the Early-Middle Frasnian biogeochemical perturbations on the South Polish carbonate shelf, Acta Palaeontologica Polonica 51 (4), pp. 647-678 : 671

Eleutherokomma zarecznyi ( Gürich, 1903)

Fig. 20B .

1903 Spirifer Zarecznyi. Var. angustior.; Gürich 1903: 139, fig. 1. 1903 Spirifer Zarecznyi. Var. latior.; Gürich 1903: 139–140, fig. 2. 1979 Eleutherokomma zarecznyi ( Gürich, 1903) ; Baliński 1979: 63–64,

pl. 15: 1–10.

Material.—One complete shell illustrated here in addition to the collection described earlier (see Baliński 1979).

Remarks.—This species was revised and described in details by Baliński (1979).

Occurrence.—The species is known only from the Dębnik anticline. It is a characteristic element of the brachiopod fauna from the highest beds of the northern quarry near village of Dębnik where it occurs together with Cyrtospirifer bisellatus ( C. bisellatus local brachiopod Zone; see Baliński 1979).

Figures

Fig. 20. Spiriferid and spiriferinid brachiopods from the Frasnian of Wietrznia and Dębnik. A. Emanuella sp., ZPAL Bp 60/20, damaged shell from the middle Wietrznia Beds of Wietrznia Ie in dorsal (A1), ventral (A2), lateral (A3), posterior (A4), and anterior (A5) views. B. Eleutherokomma zarecznyi (Gürich, 1903), ZPAL Bp 60/9, incomplete shell from the Nodular Limestone (Pa. hassi Zone) of Dębnik in dorsal (B1), ventral (B2), lateral (B3), posterior (B4), and anterior (B5) views. C, D. Tenticospirifer? sp. from the middle Wietrznia Beds of Wietrznia Ie. C. Damaged ventral valve ZPAL Bp 60/24 in ventral (C1) and posterior (C2) views. D. Exterior of incomplete dorsal valve ZPAL Bp 60/25. E. Squamulariina? sp., GIUS 4−273 Wt/IM−6, ventral valve from the middle Wietrznia Beds of Wietrznia Id−W in posterior (E1) and ventral (E2) views. F, G. Cyrtospirifer bisellatus (Gürich, 1903) from the Nodular Limestone (Palmatolepis hassi Zone) of Dębnik. F. Shell ZPAL Bp 60/14 in dorsal (F1), ventral (F2), lateral (F3), posterior (F4), and anterior (F5) views. G. Exterior of large ventral valve ZPAL Bp 60/22.