Biology:Ptychosphenodon
From HandWiki
Ptychosphenodon is an extinct genus of temnospondyls.[1]
References
- ↑ (in en) Science Progress in the Twentieth Century. John Murray. 1908. pp. 521. https://books.google.com/books?id=zLsxAQAAMAAJ.
Wikidata ☰ Q7257166 entry
