Guyana
Reptiles
unique to
Guyana includes a ground snake Atractus
tamessari (Spiegel
Online), a snail-eating snake Dipsas
pakaraima (Philippe
Kok), Stejneger's Worm Lizard Amphisbaena stejnegeri
(AMNH
3 MB pdf file), and six lizards: Arthrosaura
guianensis (Philippe
Kok), Arthrosaura
hoogmoedi (Philippe
Kok), a spectacled lizard Echinosaura sulcarostrum
(BioOne),
the geckos Gonatodes
alexandermendesi (Philippe
Kok) and Gonatodes
timidus (Reptile
Database), and the recently described genera Kaieteurosaurus hindsi
(naturalsciences.be)
and Pantepuisaurus
rodriguesi (naturalsciences.be).
Amphibians known solely from Guyana include a glass frog Hyalinobatrachium
ignioculus (Brice
Noonan pdf file), the Groete Creek Treefrog Stefania evansi (naturalsciences.be),
Woodley's Treefrog Stefania
woodleyi (Philippe
Kok), a slender-legged treefrog Osteocephalus phasmatus
(Royal
Ontario Museum), Warren's Treefrog Hyla warreni (p. 5
of Phyllomedusa
pdf file), a
treefrog Tepuihyla
talbergae (Philippe
Kok), Lutz's Tropical
Bullfrog Leptodactylus
(or Adenomera)
lutzi
(Philippe
Kok), and the Golden Rocket Frog Colostethus (or Anomaloglossus) beebei (naturalsciences.be).
Recently described species include a rocket frog Colostethus kaiei (Zootaxa
pdf file), Pristimantis
jester (Species
New to Science), Seegobin's Tepui Toad Oreophrynella seegobini
(AmphibiaWeb),
Adelophryne patamona
(Philippe
Kok), Ceuthomantis smaragdinus (AmphibiaWeb), and a new genus of
caecilian Caecilita
iwokramae (Frog
Matters).
The freshwater fish fauna is exceptionally rich in species found
nowhere else including several endemic genera: a cichlid Mazarunia (Cichlid
Room Companion), a pencilfish Derhamia (FishBase),
a
characin Acanthocharax
(fig.
1 of BHL),
and
the armored catfishes Corymbophanes
(Loricariidae)
and Paulasquama
(Practical
Fishkeeping). Other endemic freshwater fish include the
Glowlight Tetra Hemigrammus
erythrozonus
(FishBase),
a piranha Serrasalmo
emarginatus (Univ.
Washington),
the Potaro River Dwarf Cichlid Nannacara bimaculata (FishBase),
a killifish Rivulus torrenticola
(FishBase)
and several catfish: Corydoras
potaroensis (PlanetCatfish),
Bunocephalus
chamaizelus (ACSI),
Denticetopsis iwokrama
(FLMNH),
Sturisoma monopelte
(PlanetCatfish),
Centromochlus reticulatus (PlanetCatfish),
and Trachelyichthys
decaradiatus (FishBase).
Insects found only in Guyana include a grasshopper Acantheremus tenuis
(OSF),
a katydid Cnemidophyllum
granti (OSF),
an ant Rogeria tsumani (Antbase
pdf file), and an endemic genus of leafhopper Tomopennis tumidus (uprm.edu
pdf file). Other endemic invertebrates include a jumping
spider Scopocira
carinata (Salticidae
of the World), a huntsman spider Sparianthina rufescens
(ZooKeys),
a goblin spider Scaphiella
kartabo (AMNH),
and a freshwater crab Microthelphusa
meansi
(Zootaxa
pdf file).
Vascular plant species known exclusively from Guyana include a
bromeliad Aechmea
brassicoides (fcbs),
Carapa akuri (Carapa.org),
a riverweed Jenmaniella
isoetifolia (BGBM),
the Clump Wallaba Dicymbe
altsonii (Virtual
Tree Guide of the Guianas), Swartzia leiocalycina
(Virtual
Tree Guide of the Guianas), Vouacapoua macropetala
(Virtual
Tree Guide of the Guianas), Marlierea buxifolia
(NYBG),
Eschweilera
fanshawei (NYBG),
Pouteria
kaieteurensis (Virtual
Tree Guide of the Guianas), Licania microphylla
(NYBG),
and Psychotria
kaieteurensis (Virtual
Tree Guide of the Guianas). Endemic plant genera
include Thysanostemon (NYBG), Whittonia
(PlantSystematics.org),
Lampadaria (Genera
of Gesneriaceae),
Boyania (NYBG),
Maguireanthus
(NYBG),
Ochthephilus (NYBG),
Tryssophyton (NYBG),
and Maburea
(Virtual
Tree Guide of the Guianas).
Important terrestrial ecoregions in Guyana include the Tepuis (EoE),
the Guayanan
Highlands
Moist Forests (EoE),
and the Guianan Moist Forests (EoE).
Freshwater ecoregions rich in endemic species include the
Essequibo (FEOW),
the Guianas (FEOW),
and the Amazonas Guiana Shield (FEOW).
For
more information on the plants and animals of Guyana see the "Fourth
National Report to the Convention on Biological Diversity" (CBD
pdf file).