His work, the History of Alexander, is almost completely lost and has survived only in some thirty fragments preserved by ancient authors, especially by Aelian and Strabo.
A recent papyrological find from Oxyrhynchus (P.Oxy. LXXI 4808) records that he was a tutor (Greek: διδάσκαλος) of Ptolemy IV Philopator, r.221–205 BCE, and suggests that he wrote in the mid to late 3rd century, not, as was hitherto thought, in the late 4th. Luisa Prandi (2012) has recently restated the case for the "high" dating.