Complex sentence: The onefin catshark ("Pentanchus profundicolus") is a species of catshark, family Scyliorhinidae, and the only member of its genus.
Split into simpler sentences: The onefin catshark ("Pentanchus profundicolus") is a species of catshark, and part of the family Scyliorhinidae. It is the only member of its genus.