ἕρπηλα
From LSJ
αἱ μέν ἀποφάσεις ἐπί τῶν θείων ἀληθεῖς, αἱ δέ καταφάσεις ἀνάρμοστοι τῇ κρυφιότητι τῶν ἀποῤῥήτων → as concerns the things of the gods, negative pronouncements are true, but positive ones are inadequate to their hidden character
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).