Ptychadena is a genus of frogs in the grassland frog family, Ptychadenidae.[1][2] They are distributed in Sub-Saharan Africa, as well as nilotic Egypt. The common names of this genus are ridged frogs and grass frogs.[1] This type of family have many different characteristics such as the species, Ptychadena neumanni who have long hindlimbs and a large ear drum compared to the Ptychadena erlangeri, for example.[3] They also have a unique bone structure which is a fusion between the presacral vertebrae and sacrum.[4]
| Ptychadena | |
|---|---|
 | |
| Ptychadena mascareniensis | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Ptychadenidae |
| Genus: | Ptychadena Boulenger, 1917 |
| Type species | |
| Rana mascareniensis Duméril and Bibron, 1841 | |
Species
The following species are recognised in the genus Ptychadena :[1]
- Ptychadena aequiplicata (Werner, 1898)
- Ptychadena amharensis (Smith, Noonan, and Colston, 2017)
- Ptychadena anchietae (Bocage, 1868)
- Ptychadena ansorgii (Boulenger, 1905)
- Ptychadena arnei (Perret, 1997)
- Ptychadena baroensis (Smith, Noonan, and Colston, 2017)
- Ptychadena beka (Goutte et al, 2021)
- Ptychadena bibroni (Hallowell, 1845)
- Ptychadena boettgeri (Pfeffer, 1893)
- Ptychadena broadleyi Stevens, 1972
- Ptychadena bunoderma (Boulenger, 1907)
- Ptychadena christyi (Boulenger, 1919)
- Ptychadena chrysogaster Laurent, 1954
- Ptychadena cooperi (Parker, 1930)
- Ptychadena doro (Goutte et al, 2021)
- Ptychadena delphina (Goutte et al, 2021)
- Ptychadena erlangeri (Ahl, 1924)
- Ptychadena gansi Laurent In Gans, Laurent & Pandit, 1965
- Ptychadena goweri Smith, Noonan, and Colston, 2017
- Ptychadena grandisonae Laurent, 1954
- Ptychadena guibei Laurent, 1954
- Ptychadena harenna Largen, 1997
- Ptychadena hylaea Schmidt and Inger, 1959
- Ptychadena ingeri Perret, 1991
- Ptychadena keilingi (Monard, 1937)
- Ptychadena levenorum (Smith, Noonan, and Colston, 2017)
- Ptychadena longirostris (Peters, 1870)
- Ptychadena mahnerti Perret, 1996
- Ptychadena mapacha Channing, 1993
- Ptychadena mascareniensis (Duméril & Bibron, 1841)
- Ptychadena mossambica (Peters, 1854)
- Ptychadena mutinondoensis Channing and Willem, 2018
- Ptychadena nana (Perret, 1980)
- Ptychadena neumanni (Ahl, 1924)
- Ptychadena newtoni (Bocage, 1886)
- Ptychadena nilotica (Seetzen, 1855)
- Ptychadena nuerensis Smith, Noonan, and Colston, 2017
- Ptychadena obscura (Schmidt & Inger, 1959)
- Ptychadena oxyrhynchus (Smith, 1849)
- Ptychadena perplicata Laurent, 1964
- Ptychadena perreti Guibé & Lamotte, 1958
- Ptychadena porosissima (Steindachner, 1867)
- Ptychadena pujoli Lamotte & Ohler, 1997
- Ptychadena pumilio (Boulenger, 1920)
- Ptychadena retropunctata (Angel, 1949)
- Ptychadena robeensis (Goutte et al, 2021)
- Ptychadena schillukorum (Werner, 1908)
- Ptychadena stenocephala (Boulenger, 1901)
- Ptychadena straeleni (Inger, 1968)
- Ptychadena submascareniensis (Guibé & Lamotte, 1953)
- Ptychadena subpunctata (Bocage, 1866)
- Ptychadena superciliaris (Günther, 1858)
- Ptychadena taenioscelis Laurent, 1954
- Ptychadena tellinii (Peracca, 1904)
- Ptychadena tournieri (Guibé & Lamotte, 1955)
- Ptychadena trinodis (Boettger, 1881)
- Ptychadena upembae (Schmidt & Inger, 1959)
- Ptychadena uzungwensis (Loveridge, 1932)
- Ptychadena wadei Largen, 2000