In Halohates a comb-like series of sharp spines on the fore-shin can be drawn across a set of blunt processes on the shin of the opposite leg.
All the appendages are pediform and bi-ramose; all have a prominent gnathobase, and in all the exopodite carries a comb-like series of secondary processes.
The outer glumes are acute and glabrous, the flowering glumes lance-shaped, with a comb-like keel at the back, and the outer or lower one prolonged at the apex into a very long bristly awn.
I and 25) have the terminal antennal segments pectinate, and so arranged that the comb-like part of the feeler cannot be curled up, while the elytra completely cover the abdomen.
The Cyprinidae' are divided into four subfamilies: - Catostosninae (mostly from North America, with a few species from China and eastern Siberia), in which the maxillary bones take a share in the border of the mouth, and the pharyngeal teeth are very numerous and form a single, comb-like series; Cyprininae, the great bulk of the family, more or less conforming to the type of the carp; Cobitinae, or loaches (Europe, Asia, Abyssinia), which are dealt with in a separate article (see LoAcH); and the Homalopterinae (China and south-eastern Asia), mountain forms allied to the loaches, with a quite rudimentary air-bladder.
Between the two corpora cavernosa the sheath is not complete and, having a comb-like appearance, is known as the septum pectinatum.