Symmetrosulcus meyeri ( Koken, 1888 )

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 : 56-57

Symmetrosulcus meyeri ( Koken, 1888)

Fig. 18A–F

Otolithus (Gadidarum) Meyeri Koken, 1888: 289 , pl. 18 figs 8–9.

“genus Sirembinorum ” pamunkeyanus Müller, 1999: 124, fig. 28/24–27.

“genus Neobythitinarum ” meyeri – Nolf 1980: 111, pl. 18 fig. 16; 1985: 67; 2003: 5, pl. 1 fig. 9. — Nolf & Stringer 2003: 5, pl. 3 figs 3–10.

Symmetrosulcus meyeri – Schwarzhans 1981b: 75, 113.

“ Neobythitina ” meyeri – Nolf 2013: 68, pl. 136.

Preophidium meyeri – Ebersole et al. 2019: 197, fig. 70c–d. — Stringer et al. 2022: 6, fig. 3f.

Remarks

See remarks under the genus Symmetrosulcus .

Stratigraphic and geographic distribution

Lutetian: “Stone City beds”, Texas; Cane River Formation, Louisiana; “lower” Lisbon Formation, Alabama; Piney Point Formation, Virginia. Bartonian: Wheelock Member, Texas; Cook Mountain Formation, Mississippi; “upper” Lisbon Formation and Gosport Sand, Alabama; Moodys Branch Formation, Louisiana, Mississippi and Alabama. Priabonian: Yazoo Clay, Louisiana and Mississippi.

Figures

Fig. 18. Fish otoliths from the US middle and upper Eocene.A–F. Symmetrosulcus meyeri (Koken, 1888). A–C. Yazoo Clay, Copenhagen, Louisiana (IRSNB P10084–10086). D–F. “Stone City beds”, Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10087–10089). G–K. Symmetrosulcus dockeryi sp. nov., Weches F., Wall Farm 1, Texas. G. Holotype (IRSNB P 10090). H–K. Paratypes (IRSNB P 10091–10094). L–M. “Neobythites” virginicus Müller, 1999, Piney Point F., Pamunkey River, 1 km E of Eanes property, Virginia (IRSNB P 10095–10096). N–P. Symmetrosulcus stintoni (Dante & Frizzell, 1965), “Stone City beds”, Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10097–10099). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.