Pseudopriacanthus obliquus ( Nolf & Stringer, 2003 )

Lin, Chien-Hsiang & Nolf, Dirk, 2022, Middle and late Eocene fish otoliths from the eastern and southern USA, European Journal of Taxonomy 814, pp. 1-122 : 80

Pseudopriacanthus obliquus ( Nolf & Stringer, 2003)

Fig. 39A–F

Pristigenys obliquus Nolf & Stringer, 2003: 8 , pl. 4 figs 7–12.

Pristigenys obliqua – Nolf 2013: 95, pl. 226.

Remarks

In a reappraisal of the Eocene priacanthid skeleton of Pristigenys substriata from Monte Bolca, Italy, Carnevale et al. (2017) stated that there is substantial evidence to consider it as generically different from the recent genus Pseudopriacanthus , which they also consider as a valid genus including the various Recent species that were synonymized with Pristigenys . Two other partially articulated skeletons with associated otoliths are known from the Belgian Lede Formation (Lutetian). They were described by Taverne & Nolf (2010), and compared with the Recent Pseudopriacanthus hamrur (Forsskal, 1775) . For these two fossil Belgian species, Ps. rutoti (Leriche, 1905) and Ps. hermani ( Taverne & Nolf, 2010) , Carnevale et al. (2017) also concluded that they cannot be assigned to Pristigenys , but both have otoliths associated with the skeletons. These otoliths perfectly match with those of Recent species of Pseudopriacanthus . This is also the case for the otoliths of the Priabonian Ps. obliquus from the Yazoo Clay of Louisiana, and these three priacanthids are here referred to Pseudopriacanthus . For the European Ps. rutoti and Ps. hermani , the attribution to the genus Pseudopriacanthus is also supported by osteological data (see Taverne & Nolf 2010).

Stratigraphic and geographic distribution

Bartonian: Moodys Branch Formation, Louisiana. Priabonian: Yazoo Clay, Louisiana.

Figures

Fig. 39 (opposite page). Fish otoliths from the US middle and upper Eocene. A–F. Pseudopriacanthus obliquus (Nolf & Stringer, 2003), Yazoo Clay, Tullos M., Copenhagen, Louisiana. A. Holoype (IRSNB P6994). B–F. Paratypes (IRSNB P 6995–6999).G. Pagrus esseri (Müller, 1999), Piney Point F.,sand and gravel pit, Bottoms Bridge, loc. 22 of Müller, Virginia, holotype (coll. Institut für Geowissenschaften, University of Leipzig, Nr.149/P38). H. Owstonia comes (Koken, 1888), Moodys Branch F., “Jackson River”, Mississippi, holotype (ZMB Ot. 165). I–N. “Gobius” vetustus (Nolf & Stringer, 2003), Yazoo Clay, Tullos M., Copenhagen, Louisiana. I. Holoype (IRSNB P 7413). J–N. Paratypes (IRSNB P 7414–7418). O–P. “Citharus” hoffmani (Nolf & Stringer, 2003), Yazoo Clay, Tullos M., Copenhagen, Louisiana. O. Holotype (IRSNB P 7424). P. Paratype (IRSNB P 7426). Q–R. Citharichthys altissimus Nolf & Stringer, 2003, Yazoo Clay, Tullos M., Copenhagen, Louisiana. Q. Holotype (IRSNB P 7422). R. Paratype (IRSNB P 7423). S. Eosciaena ebersolei Stringer et al., 2022, Yazoo Clay, Tullos M., Copenhagen, Louisiana (IRSNB P 7027). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.