Xenocrates of Cos, quoted by Erotian as an authority on the Prognostics; nearly contemporary with Herophilus.

Philinus of Cos, contemporary with Herophilus, and probably a disciple.

Bacchius, contemporary with Philinus.

Glaucias immediately after Bacchius; flourished probably between 290–260 A.C.

Zeuxis the Empiric, immediately after Glaucias and before Zeno; probably from 270–240 A.C. See Daremberg.

Heraclides Tarentinus, somewhat later than Bacchius, probably between 260–240 A.C.

Zeno the Herophilean, the contemporary and rival of Heraclides; probably the same as Zeno of Laodicea.

Apollonius Biblas, the contemporary and rival of Zeno.

Callimachus, according to Daremberg, an immediate disciple of Herophilus.

Epiceleustus of Crete, of uncertain date.