Senegal

Reptiles unique to Senegal include the Gabou File Snake Gonionotophis (or Mehelya) gabouensis (IRD pdf) and the worm lizards Cynisca manei (IRD pdf) and Cynisca senegalensis (BHL). The skink Trachylepis breviparietalis (BHL) known from a single specimen is considered a synonym of Trachylepis perrotetii (BHL).

An endemic subspecies of shrew, Crocidura smithii debalsaci (ResearchGate) (GBIF) may represent a full species distinct from the Desert White-tailed Shrew which is otherwise known only from Ethiopia.

A freshwater fish known solely from Senegal is the Senegal Giraffe Catfish Auchenoglanis senegali (PlanetCatfish) (PLAZI) is usually considered a synonym of the more widespread Auchenoglanis biscutatus.

Marine fish known with certainty only from Senegal include the Senegal Goby Corcyrogobius pulcher (ResearchGate) and a snake eel Dalophis multidentatus (p. 74 of IRD pdf).

Beetles found only in Senegal include a flower beetle Leucocelis morettoi (GBIF), the dung beetles Onthophagus quiproquo (Association Troglorites) and Jossonthophagus coachei (fig. 6 at ResearchGate), the longhorn beetles Phyllocnema jeanneli (Association Troglorites) and Prosopocera subsenegalensis (GBIF), the hister beetles Hister rectisternus (Association Troglorites) and Hypocaccus coachei (Association Troglorites), a tortoise beetle Cassida senegalensis (GBIF), a ground beetle Chlaenius oligochrysus (Carabidae of the World WM), the skin beetles Anthrenus coacheorum (ResearchGate) and Ctesias dakariensis (naturkundemuseum-bw.de WM pdf), and a weevil Afroryzophilus kuscheli (Fig. 1g at ResearchGate).

Other endemic insects include a butterfly Chilades serrula (p. 4 of Metamorphosis pdf), the moths Sesamia monodi (AfroMoths WM) and Aspidifrontia senegalensis (AfroMoths WM) and Chiasmia gueyei (AfroMoths WM), a katydid Anepitacta gaillardi (GBIF), a cricket Thiernogryllus rufipes (GBIF), the ants Monomorium dakarense (AntWiki) and Aenictus nyuyi (GBIF), a wasp Micatagla senegalense (fig. 7 at ResearchGate pdf), the plant bugs Dominiquella vitellina (figs. 3-4 at AMNH pdf) and Laemocoris fetensis (AMNH pdf), a planthopper Lophops sigwalti (GBIF), and a long-legged fly Thinophilus sigwalti (GBIF).

Other endemic terrestrial invertebrates include the scorpions Buthacus villiersi (GBIF) and Buthacus clevai (p. 5 of zobodat pdf), a pholcid spider Pholcus berlandi (Fig. 1534 at BHL), a ground spider Micaria parvotibialis (GBIF), the jumping spiders Stenaelurillus senegalensis (GBIF) and Rhene sulfurea (Jumping Spiders), a harvestman Chilon royi (p. 2 of UFRJ WM pdf), a springtail Sensilatullbergia senegalensis (p. 3 of ResearchGate pdf), the freshwater crabs Potamonautes senegalensis (p. 19 of AToL Decapoda pdf) and Potamonautes lipkei (Google Books) (IUCN), the millipedes Prionopetalum etiennei (Internet Archive) and Peridontopyge kaolackensis (BHL), and a land snail Succinea dorri (africamuseum.be).

Endemic marine invertebrates include a sponge Axinyssa djiferi (MDPI), a brittle star Ophioderma africanum (GBIF), a nudibranch Berghia marinae (Fig. E at ResearchGate), a ribbed miter Vexillum leucaspis (GBIF), and 15 species of cone snails (GREDOS pdf) including Conus pineaui (Eddie Hardy), Conus unifasciatus (ARKive WM), Conus cloveri (IUCN), Conus echinophilus (IUCN), and Conus hybridus (ARKive WM).

Vascular plants restricted to Senegal include Abutilon macropodum (JSTOR), Digitaria (or Paspalum) gentilis (GBIF), Oldenlandia parva (JSTOR), Pandanus columellatus (GBIF), Panicum calocarpum (JSTOR), Spermacoce galeopsidis (MNHN), Cyperus subtilis (GBIF), Cyperus crassicuspis (GBIF), Scleria chevalieri (JSTOR) (IUCN), and the endemic genus Afraurantium (Persée) (Persée).

Fungi known only from Senegal include Microporellus ellipsosporus (p. 2 of Czech Mycology pdf) and Micropsalliota elata (JSTOR). Endemic non-vascular plants include a moss Octoblepharum leptoneuron (GBIF).

Terrestrial ecoregions in Senegal include the West Sudanian Savanna (WWF WM), the Sahelian Acacia Savanna (WWF), and the Guinean Forest-savanna Mosaic (Wikipedia). For an overview of the biota see the "Senegal Biodiversity and Tropical Forests Assessment" (USAID pdf). For an alternative list of endemic plants see (p. 150 of pS-Eau pdf).