Senegal
Reptiles unique to Senegal include the Gabou File Snake Mehelya gabouensis (Google Books) and a worm lizard Cynisca senegalensis (p. 65 of AMNH Digital Library 19 MB pdf file).
A freshwater fish known solely from Senegal is the recently described catfish Auchenoglanis senegali (PlanetCatfish).
Marine fishes exclusive to Senegal include a blenny Malacoctenus africanus
(FishBase)
and two snake eels known only from single specimens: Dalophis multidentatus
(FishBase)
and Ethadophis
epinepheli (FishBase).
Terrestrial invertebrates found only in Senegal include a plant bug Dominiquella vitellina
(AMNH),
a ground beetle Chlaenius
oligochrysus (Carabidae
of the World), a skin beetle Ctesias dakariensis
(naturkundemuseum-bw.de
pdf file),
a cuckoo wasp Chrysis
senegalana (p. 12 of Psyche
pdf file), a butterfly Lycaena
(or Chilades)
serrula (eol),
a damselfly Elattoneura
pluotae (IUCN
Red List), a bee Meliturgula
senegaliae (Discover
Life), and a jumping spider Rhene sulfurea (p.
9 of Opuscula
Zoologica 3 MB pdf file). Potamonautes senegalensis
(p. 19 of AToL
Decapoda pdf file) is an endemic freshwater crab. Endemic
marine invertebrates include the cone snails Conus pineaui (Eddie
Hardy) and Conus
cloveri (Conus
Biodiversity) and a sponge Axinyssa djiferi (Zootaxa
pdf file).
Vascular plants restricted to Senegal (p. 83 of USAID
pdf file) include Abutilon
macropodum (JSTOR),
Cissus
okoutensis (MNHN),
Digitaria
(or Paspalum)
gentilis (MNHN),
Eriocaulon
inundatum (JSTOR),
Ilysanthes congesta
(JSTOR),
Nesaea dodecandra
(JSTOR),
Oldenlandia parva
(JSTOR),
Pandanus columellatus
(JSTOR),
Panicum calocarpum
(Kew),
Scirpus
(or Bolboschoenus)
grandispicus
(JSTOR),
Hibiscus hasirikus (JSTOR),
Scleria chevalieri
(JSTOR),
and Urginea (or
Drimia) salmonea (JSTOR).
Terrestrial ecoregions in Senegal include the West Sudanian Savanna (EoE), the Sahelian Acacia Savanna (EoE), and the Guinean Forest-savanna Mosaic (Wikipedia). For an overview of the biota see the "Senegal Biodiversity and Tropical Forests Assessment" (USAID pdf file).