Selachimorphaphile 

Selachimorphaphile is someone who is an avid shark enthusiast. Selachimorphaphile stems from the term Selachimorpha which is the scientific term for all species of extinct and extant sharks.

Phonetic: "Sell-lack-key-more-fa-phile"

Origin:
Coined by Golden161 on 21st of August 2014, for www.reddit.com/r/sharks fan base

I have a large collection of shark fossils and would consider myself a Selachimorphaphile.

Selachimorphaphile by Golden161 August 20, 2014