Cepola yrieuensis Steurbaut, 1984

Agiadi, Konstantina, Koskeridou, Efterpi & Thivaiou, Danae, 2021, At the crossroads: early Miocene marine fishes of the proto-Mediterranean Sea, Fossil Record 24 (2), pp. 233-246 : 241-242

Cepola yrieuensis Steurbaut, 1984

Fig. 4L

1984 Cepola yrieuensis –Steurbaut, pl. 29, figs. 13–17

2013 Cepola yrieuensis – Nolf, pl. 294

Material

Two otoliths from level 11.

Distribution

Lower Miocene of the Aquitanian Basin ( Steurbaut, 1984) and the MHB. Priabonian–lower Oligocene of SE France ( Nolf and Girone, 2008; Girone and Nolf, 2009).

Remarks

These otoliths are boat-shaped and have open, divided sulcus. The ostium is oval–rectangular and has an oval colliculum, whereas the cauda is oval-shaped, with an oval colliculum, and placed more dorsally than the ostium. There is a pronounced ventral fissure. These specimens have distinct posterior and posterodorsal angles that only appear on the otoliths of C. yrieuensis previously reported from the Rupelian of France ( Steurbaut, 1984). Compared to C. macrophthalma , these otoliths have an oval, rather than circular cauda, which is placed dorsally. Cepola aff. macrophthalma (Linnaeus) from the middle Miocene of Austria ( Nolf, 2013) also has an oval-shaped cauda but lacks a posterodorsal angle. On the contrary, this angle is present in C. robusta Nolf from the Ypresian of France ( Nolf, 2013), but only in the young specimens.

Figures

Figure 4. Photographs of the identified otoliths from the Felli section. (A) Lobianchia sp., Felli 11; (B–C) Myripristis verus Steurbaut, (B) Felli 11, (C) Felli 12; (D) Echiodon heinzelini Huyghebaert and Nolf, Felli 11; (E) Apogon moyesi Steurbaut, Felli 11; (F) “Batrachoidida” vigneauxi (Steurbaut), Felli 11; (G) Blennius sp., Felli 11; (H) Arnoglossus holleri Weinfurter, Felli 11; (I) Microchirus latior (Schubert), Felli 11; (J–K) Mullus elongatus Steurbaut, (J) Felli 11, (K) Felli 12; (L) Cepola yrieuensis Steurbaut, Felli 11; (M–N) Pomadasys sp., Felli 11; (O) Pagrus sp., Felli 11. (F), (H), (J), and (K) have been mirrored to facilitate comparison.