Two new species of Ptychadena Boulenger, 1917 (Amphibia, Anura, Ranidae) from Ethiopia, with observations on other members of the genus recorded from this country and a tentative key for their identification

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith