• (n.) A name formerly given to certain Silurian brachiopod shells of the genus Spirifer.
Found on
http://thinkexist.com/dictionary/meaning/delthyris/
Del·thy'ris noun [ New Latin , from Greek
de`lta the name of the letter Δ +
thy`ra door.]
(Zoology) A name formerly given to certain Silurian brachiopod shells of the genus
Spirifer .
Delthyris limestone (Geol.) ,
one of the divisio...
Found on http://www.encyclo.co.uk/webster/D/31
No exact match found.
