ptychopterygium
Look at other dictionaries:
ptychopterygium — the low adherent type of paired fin connected with a broad base to the body as in Cladoselache … Dictionary of ichthyology
ptychopterygium — pty·cho·pterygium … English syllables
ptychopterygial — |tīkō+ adjective Etymology: New Latin ptychopterygium + English al : of or relating to a ptychopterygium … Useful english dictionary