ἕρπηλα
From LSJ
Τραφὲν ὄρεσι καὶ φάραγξιν ἀγρίαις, κήρυξ πέφυκα τῆς λόγου ὑμνῳδίας. Φωνήν μὲν οὐκ ἔναρθρον, εὔηχον δ' ἔχω (Byzantine riddle) → Raised in the mountains and wild ravines, I have become the herald of hymns that are sung. I have no articulate voice...
English (LSJ)
a kind of A shell-fish, Numen. ap. Ath.7.306c (v.l. ἕρπιλαν) ; ἑρπήλας δολιχήποδας Id. ap. eund.7.305a (v.l. ἕρπηνας).