a. and sb. Ichthyol. [f. Gr. λεπιδ-, λεπίς scale + -OID; cf. Gr. λεπιδοειδής scale-like (Galen).] a. adj. Scaly; pertaining to the Lepidoidei, a family of fossil fishes having large rhomboidal scales. b. sb. A fish belonging to this family.
1836. Buckland, Geol. & Min. Consid., I. 282 (heading). Lepidoid Fishes. Ibid., note. The Pycnodonts, as well as the fossil Sauroids, have enamelled scales, but it is in the Lepidoids that scales of this kind are most highly developed.
1854. A. Adams, etc., Man. Nat. Hist., 562. All the lepidoid and sauroid fishes which [etc.].