Branchiostegal rays: 10 (Ref. 35838). Lower preopercular spine downward and curved forward, upper preopercular spine curved outward. Two postabdominal spines directed ventrally (Ref. 37473).
- Watson, W. 1996 Sternoptychidae: hatchetfishes. p. 268-283. In H.G. Moser (ed.) The early stages of fishes in the California Current Region. California Cooperative Oceanic Fisheries Investigations (CalCOFI) Atlas No. 33. Allen Press, Inc., Lawrence, Kansas. 1505 p. (Ref. 35838) http://www.fishbase.org/references/FBRefSummary.php?id=35838&speccode=11549
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