Bangladesh

Frogs known only from Bangladesh include a bush frog Raorchestes rezakhani (ZooKeys) (iNaturalist), a cricket frog Minervarya dhaka (PLOS), a puddle frog Phrynoglossus swanbornorum (Species New to Science), and a skipper frog Euphlyctis kalasgramensis (PLOS). Another frog Fejervarya frithii (AmphibiaWeb) (BHL) was described in 1868 and is known only from the type locality of Jessore.

Freshwater fish species unique to Bangladesh include a minnow Psilorhynchus rahmani (FishBase), the Anomalus Zebra Devario anomalus (p. 88 of IUCN pdf), Devario coxi (PLOS), Danio annulosus (ResearchGate), Garra mini (ResearchGate), a leaffish Nandus meni (ResearchGate), the chameleonfishes Badis pallidus (GBIF) and Badis chittagongis (GBIF), the zipper loaches Paracanthocobitis triangula (GBIF) and Paracanthocobitis abutwebi (fig. 8 at ResearchGate), a silurid catfish Heteropneustes nani (FishBase), and several Asian hillstream catfishes: Nangra bucculenta (BHL), Nangra ornata (p. 327 of IUCN pdf), the Painted Catfish Pseudolaguvia inornata (PlanetCatfish WM), and Gogangra laevis (Planet Catfish).

Marine fish known only from Bangladesh include the Bengal Demoiselle Pomacentrus bangladeshius (GBIF) and the Bangladeshi Guitarfish Glaucostegus younholeei (iNaturalist) (PLAZI).

Insects known only from Bangladesh include a stick insect Medaura jobrensis (BioLib) (BHL), a dragonfly Gynacantha chaplini (Species New to Science), a raspy cricket Haplogryllacris aliena (OSF), the scarabs Onthophagus iyengari (India Biodiversity) (IUCN) and Ochodaeus barbei (p. 4 of coleopteres.fr WM pdf), a firefly Pygoluciola bangladeshi (GBIF), a weevil Bagous deceptus (GBIF), a cossid moth Phragmataecia ishuqii (PLAZI), a seed bug Dieuches ochromus (Taylor & Francis pdf), the planthoppers Hauptenia bandarbanensis (ResearchGate) and Pinocchias natus (p. 9 of ZOBODAT pdf), and a fruit fly Zeugodacus madhupuri (ZooKeys).

Endemic spiders include a wolf spider Pardosa royi (p. 12 of ZSI WM pdf), the jumping spiders Asemonea mirpurensis (ResearchGate) and Plexippus wesolowski (p. 3 of ZSI WM pdf) and Rhene khulnaensis (ResearchGate), the orb-weaving spiders Eriovixia nocturnalis (ZSB pdf) and Cyrtophora nareshi (BHL), the crab spiders Camaricus chayani (Semantic Scholar) and Tibellus shikerpurensis (BHL), and a sac spider Trachelas devi (p. 6 of ZSI WM pdf).

Other endemic invertebrates include a shrimp Palaemon karnafuliensis (p. 122 of IUCN pdf), a freshwater clam Corbicula sylhetica (figs. 573-574 at Internet Archive) (Fig. 8 at BHL), the brackish snailsStenothyra echinata (fig. 5 at BHL) and Neripteron platyconcha (figs. 35-37 at Internet Archive), a marine snail Haustellum bengalense (MNHN), the freshwater snails Camptoceras austeni (BHL) and Stenothyra echinata (figs. 157-158 at Internet Archive) (IUCN), and several land snails: Macrochlamys rabani (fig. 6 at BHL) (BHL), Glessula forum (fig. 15 at BHL) (BHL) and Glessula rabani (fig. 21 at BHL).

Several species of vascular plants have been considered endemic to Bangladesh (ResearchGate) (Preprints.org). These include Alocasia hararganjensis and Typhonium elatum (both at Semantic Scholar pdf), Colocasia hassanii (ResearchGate), three recently described species of Curcuma (ResearchGate), Knema bengalensis (JSTOR), Boesenbergia islamii and Mantisia (or Globba) salarkhanii (figs. 2 & 12 at ResearchGate), Nothopegia acuminata (GBIF), Limnophila cana and Hedyotis thomsonii (figs. 11 & 9 at ResearchGate), Gomphostemma niveum (GBIF) (Springer), Lagenandra gomezii (JSTOR), Pteris giasii (TAIF WM), Ampelygonum salarkhanii and Globba rahmanii (figs. 1 & 10 at ResearchGate), Zingiber salarkhanii (ResearchGate), Cuscuta chittagongensis (fig. 16 at ResearchGate), Mycetia clarkei (POWO), Utricularia rosettifolia (ResearchGate), Lasianthus bangladeshiensis (ResearchGate), and Taxillus thelocarpus (GBIF).

Endemic trees include Croton chittagongensis (fig. 24 at ResearchGate), Dehaasia rangamattiensis (IUCN) (Internet Archive), Knema bengalensis (JSTOR), and Wendlandia amocana (GBIF) (BHL).

Fungi known only from Bangladesh include Hygrocybe umbilicata (ResearchGate), Xanthagaricus necopinatus (figs. c-d at ResearchGate), Phylloporus catenulatus (ResearchGate), and Tylopilus glutinosus (ResearchGate). Endemic non-vascular plants include a liverwort Cololejeunea khanii (GBIF) and a moss Fissidens haadi (GBIF).

Portions of Bangladesh are included in the Indo-Burma biodiversity hotspot (Biodiversity Hotspots WM). Important ecoregions include the Sundarbans Freshwater Swamp Forests (EoE), the Sundarbans Mangroves (EoE), and the Mizoram-Manipur-Kachin Rain Forests (EoE).