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2. On New and Little-known Fossil Fishes from the Edinburgh District. No. II
Published online by Cambridge University Press: 15 September 2014
Extract
Body fusiform, sometimes rather deep; median fins large, the caudal deeply cleft, inequilobate; dorsal and anal triangular, acuminate, the dorsal situated nearly opposite the interval between the ventrals and the anal; base of ventrals not extended; pectoral rays articulated (except a varying amount of the commencement of the principal ones). Fin rays ganoid, closely set, striated; fulcra closely set, minute. Scales sculptured, of moderate size, rhomboidal, their posterior borders frequently denticulated or serrated; the anterior overlapped area very narrow, reduced to a mere margin. Suspensorium very oblique; gape extensive; operculum well developed, oblong; interoperculura square-shaped; no suboperculum. Branchiostegal rays numerous; the anterior one of each lateral series broader than the rest a median lozenge-shaped plate in front.
- Type
- Proceedings 1876-77
- Information
- Copyright
- Copyright © Royal Society of Edinburgh 1878
References
page 276 note * Fauna der Vorwelt, 1, 3, p. 249.
page 276 note † Poissons Fossiles, vol. ii. pt. 1. p. 29.
page 276 note ‡ Beiträge zur vorweltlichen Fauna des Steinkohlen-gebirges. Bonn 1847, p. 20.
page 277 note * “Verh. des naturhist. ver. d. preuss. Rheinlande,” xiv. (1857) p. 12.
page 278 note * Quar. Jour. Geol. Soc. vi. 1850, p. 2.
page 278 note † Report on the Albert Coal Mine, New Brunswick, p. 52, pi. i. fig. 2.
page 278 note ‡ Geol. Survey of Ohio, Palæontology, vol. i. p. 345, pi. xxxviii. fig. 1.
page 278 note § Proc. Acad. Nat. Sc. Philad., 1856; pp. 96–100.
page 278 note ∥ The strata at Saarbrücken and Lebach, containing the typical Amblypteri, as well as the fish-bearing beds of Münster-Appel, Kreuznach, Goldlauter, &c., in Germany, and of Autun in France, long believed to belong to the carboniferous formation, are now referred by continental geologists to the Lower Permian (“unteres Rothliegendes”).