Algeria

Vascular plants found solely in Algeria include the Algerian Fir (RBGE), the Saharan Cypress (RGBE), an ornamental succulent Sedum multiceps (iNaturalist), Lonicera kabylica (p. 7 of rencontre-medsuber.com pdf), Epimedium perralderianum (flickr), Anacyclus linearilobus (Flora of NW Algeria), Euphorbia hieroglyphica (iNaturalist), the Algerian Peony (iNaturalist), an orchid Serapias athwaghlisia (ResearchGate), Hedysarum naudinianum (iNaturalist), Onopordum algeriense (Flore Djebel Antar WM), Genista numidica (iNaturalist), Allium trichocnemis (iNaturalist), Bupleurum plontagineum (ResearchGate), Erodium battandieranum (iNaturalist), Erodium medeens and Thymus guyonii (both on p. 7 of ABM pdf), Coleostephus multicaulis (Flora of NW Algeria), Drimia anthericoides (iNaturalist), Hypochaeris saldensis (iNaturalist), Narcissus bellirius (figs. 1g-h on p. 82 of bu.umc.edu.dz pdf ), Centaurea phaeolepis and Teucrium aureiforme (both at ResearchGate), Salvia balansae (Flora of NW Algeria), Campanula numidica (ResearchGate), Rupicapnos africana (iNaturalist), Romulea vaillantii (iNaturalist), Galium perralderii (iNaturalist), Avena macrostachya (MDPI), and Silene sessionis (IUCN). Endemic genera include Otocarpus (ResearchGate) and Agropyropsis (JSTOR).

Endemic mammals include Seurat’s Spiny Mouse (BioLib), the Algerian Gerbil (BHL), and the extinct Red Gazelle (Wikipedia) known by only three specimens.

The Algerian Nuthatch (MaghrebOrnitho) (eBird) occurs at only four locations in the Babor Mountains.

Reptiles restricted to Algeria include Savigny's Fringe-fingered Lizard (iNaturalist) (lacerta.de), Bedriaga’s Fringe-fingered Lizard (iNaturalist), Doumergue’s Fringe-fingered Lizard (lacerta.de), and the geckos Tropiocolotes chirioi and Tropiocolotes tassiliensis (both at BioOne).

The Edough Peninsula Ribbed Newt Pleurodeles poireti (ResearchGate) (CalPhotos) is known only from the Edough Peninsula (the newts from Tunisia and the rest of Algeria are now placed in the separate species Pleurodeles nebulosus).

Freshwater fish unique to Algeria include the Sahara Killifish Apricaphanius saourensis (Jörg Freyhof WM) (IUCN), the Algerian Trout Salmo macrostigma (FishBase), and several barbs: Luciobarbus leptopogon (p. 69 of balkanrivers.net pdf), Luciobarbus biscarensis (poissonseauxdoucesalgerie), Luciobarbus setivimensis (IUCN) (MNHN), Luciobarbus chelifensis (GBIF), Luciobarbus numidiensis (GBIF) (iNaturalist), and Luciobarbus mascarensis (GBIF). The Atlas Killifish Tellia apoda (FishBase) represents an endemic genus. The Desert Jewel Fish Hemichromis saharae (Jörg Freyhof WM) is sometimes considered distinct from the more widespread Hemichromis letourneuxi.

Endemic insects include a butterfly Iberochloe pechi (Lepidforum), a skipper Muschampia leuzeae (IUCN) (row e in BHL), a cossid moth Afrikanetz foucauldi (ResearchGate), the grasshoppers Pamphagus djelfensis (Acrinwafrica) and Paracinipe sulphuripes (Acrinwafrica), the katydids Odontura microptera (OSF) and Ctenodecticus vasarensis (GBIF), an ant cricket Eremogryllodes monodi (OSF), the ants Monomorium noualhieri (AntWiki) and Messor hodni (GBIF), a mining bee Andrena hoggara (ResearchGate), a mayfly Habrophlebia hassainae (GBIF), a stonefly Marthamea bayae (GBIF), a flower beetle Aleurostictus (or Gnorimus) baborensis (p. 3 of insecte.org pdf), the ground beetles Graphipterus stagonopsis (ZooKeys) and Orthomus achilles (p. 23 of ZOBODAT pdf), a darkling beetle Blaps maldesi (GBIF), the dung beetles Aphodius chelalla (ZooKeys), Ammoecius dogueti (fig. 23 at Internet Archive), a sap beetle Carpophilus saharaensis (ResearchGate), a rove beetle Micrillus subterraneus (p. 27 of naturkundemuseum-bw.de WM pdf), the weevils Acalles gracilipes (curci.de) and Larinus synthesys (ResearchGate), the leaf beetles Phyllotreta basalis (Chrysomelidae of Europe WM) and Chrysolina tortipennis (Chrysomelidae of Europe WM), and a planthopper Issus christiani (ResearchGate).

Other endemic invertebrates include a cave-dwelling millipede Glomeris troglokabyliana (ResearchGate), another millipede Archipolydesmus chreensis (BHL), the scorpions Lissothus chaambi (ResearchGate) and Androctnus hoggarensis (ResearchGate), the woodlouse spiders Harpactea hamidae (PLAZI) and Rhode baborensis (ResearchGate pdf), a ladybird spider Adonea algerica (araneae), a trapdoor spider Nemesia algerina (p. 9 of entomology.org.il WM pdf), an ant spider Zodarion agricola (GBIF), a harvestman Leiobunum coccineum (fig. 15 at ResearchGate), a springtail Friesea laouina (ResearchGate), the isopod crustaceans Porcellio ribauti (iNaturalist) and Typhlocirolana longimera (Subterranean Biology), an amphipod crustacean Echinogammarus monodi (ResearchGate), a fairy shrimp Chirocephalus sanhadjaensis (GBIF), an earthworm Prosellodrilus doumandjii (Tropical Zoology pdf), several species of freshwater snails of the genera Pseudamnicola and Mercuria (malaco.de WM pdf), and several land snails: Cantareus subapertus (iNaturalist), Massylaea constantina (ZooKeys), Leucochiloides (or Pupoides) hoggarensis (bibdigital.rjb.csic.es), Cochlostoma atlanticum (PLAZI), and Rupestrella brondeli (figs. 4-5 at BHL).

Endemic lichen species are underlined in the checklist at (ResearchGate). Endemic non-vascular plants include a moss Funaria altissima (GBIF) and a liverwort Riella sersuensis (Al Yasmina pdf).

The coastal regions of Algeria fall within the Mediterranean Basin biodiversity hotspot (Biodiversity Hotspots WM). Important ecoregions for endemic species include the Mediterranean Woodlands and Forests (WWF WM) and the Mediterranean Conifer and Mixed Forests (WWF WM).