Catalog of Fishes Reference Record:

Ahl, J. N.   1789 [ref. 80]

Specimen ichthyologicum de Muraena et Ophichtho, quod venia exp. Fac. Med. Ups. Praeside Carol. Pet. Thunberg, etc. J. Edman, Upsaliæ [Upsala]. 1-14, 2 pls. [Also published in 1801 as Dissertationes Academicae Upsalae, pp. 1-12, 2 pls. [ref. 27677]. Ahl was the author; Thunberg was his supervising professor.]