Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 17 references without a DOI — listed, not checked
no DOI — not checkedBass, A. J. J. D. D'Aubray, and N. Kistnasamy. 1976. Sharks of the east coast of southern Africa. VI. The families Oxynotidae, Squalidae, Dalatiidae and Echinorhinidae. Oceanographic Research Institute, Investigational Report Durban 45:1–103.
no DOI — not checkedBigelow, H. B. and W. C. Schroeder. 1957. A study of the sharks of the suborder Squaloidea. Bulletin of the Museum of Comparative Zoology 117:1–150.
no DOI — not checkedCadenat, J. and J. Blache. 1981. Requins de Méditerranée et d'Atlantique (plus particulièrement de la Côte Occidentale d'Afrique). Faune Tropicale 21:1–330.
no DOI — not checkedChen, C. T. Taniuchi, and Y. Nose. 1979. Blainville's dogfish,Squalus blainville, from Japan with notes onS. mitsukuriiandS. japonicus. Japanese Journal of Ichthyology 26:26–42.
no DOI — not checkedCompagno, L. J. V. 1984. FAO Species Catalogue. Vol. 4, Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1. Hexanchiformes to Lamniformes. FAO Fisheries Synopsis No. 125.
no DOI — not checkedD'Aubray, J. D. 1964. Preliminary guide to the sharks found off the east coast of South Africa. Oceanographic Research Institute, Investigational Report, Durban 8:1–95.
no DOI — not checkedDeynat, P. P. and B. Séret. 1996. Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). I—Morphologie et arrangement des denticules cutanés. Annalles des Sciences Naturelle Zoologie, Paris 17:65–83.
no DOI — not checkedGarman, S. 1913. The Plagiostoma (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology 36:1–515.
no DOI — not checkedGarrick, J. A. F. 1960. Studies on New Zealand Elasmobranchii. Part XII. The species ofSqualusfrom New Zealand and Australia; and a general account and key to the New Zealand Squaloidea. Transactions of the Royal Society of the New Zealand, Part 3, 88:519–557.
no DOI — not checkedHerman, J. M. Hovestadt-Euler, and D. C. Hovestadt. 1989. Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of Chondrichthyes fishes. Part A: Selachii. No. 3: Order Squaliformes—Families Echinorhinidae, Oxynotidae and Squalidae. Bulletin de l'Institut Royal des Sciences Naturelle de Belgique, Biologie 59:101–157.
no DOI — not checkedKondyurin, V. V. and N. A. Myagkov. 1979. Status of spiny dogfish,Squalus acutipinnisRegan, 1908 (Squalidae, Squaliformes), from the South African waters. Zoologicheskii Zhurnal 58:1604–1606.
no DOI — not checkedKrefft, G. 1968. Knorpelfische (Chondrichthyes) aus dem tropischen Ostatlantik. Atlantide Reports 10:33–81.
no DOI — not checkedLast, P. R. W. T. White, and J. J. Pogonoski. 2007. Descriptions of new dogfishes of the genusSqualus(Squaloidea: Squalidae). CSIRO Marine and Atmospheric Research Paper 014.
no DOI — not checkedMuñoz-Chápuli, R. and F. Ramos. 1989. Morphological comparisons ofSqualus blainvilleiandS. megalopsin the Eastern Atlantic, with notes on the genus. Japanese Journal of Ichthyology 36:6–21.
no DOI — not checkedMyagkov, N. A. and V. V. Kondyurin. 1986. Dogfishes,Squalus(Squalidae), of the Atlantic Ocean and comparative notes on the species of this genus from other regions. Journal of Ichthyology 26:1–18.
no DOI — not checkedParin, N. 1988. Species of spiny dogfish of genusSqualus, living on Southeastern Pacific Ocean Seamounts. Scripta Technica IncUDC 597.3.57.06:43–50.
no DOI — not checkedRegan, C. T. 1908a. A collection of fishes from the coasts of Natal, Zululand, and Cape Colony. Annals of the Natal Museum 1:241–255.
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