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Calosoma protractum

Calosoma macrum is a species of ground beetle in the subfamily Carabinae. It was described by John Lawrence LeConte in 1852. The species is 22–29 millimetres long, black, and lives at an elevation of 1.100 to 1.700 metres in Guerrero, Mexico. It ...

Cenaspis

Cenaspis aenigma is a species of colubrid snake in the subfamily Dipsadinae and the only member of the monotypic genus Cenaspis. It is endemic to the highlands of western Chiapas, Mexico, where it was described from a single, partially digested m ...

Chinanteca salamander

The Chinanteca salamander is a species of salamander in the family Plethodontidae. It is endemic to Sierra Juarez, Oaxaca, Mexico. Its sister taxon is Bolitoglossa occidentalis.

Chlosyne ehrenbergii

Chlosyne ehrenbergii, the white-rayed checkerspot, white-rayed patch or Ehrenbergs patch, is a butterfly of the family Nymphalidae. It is found in Mexico. Adult females are very gregarious, clustering together in groups on the buddleia bushes. Ad ...

Cloud forest salamander from Cofre de Perote

The cloud forest salamander from Cofre de Perote is a species of salamander in the family Plethodontidae. It is endemic to Cofre de Perote in central Veracruz, Mexico, where it is known from arboreal bromeliads in cloud forests with low to modera ...

Crotalus intermedius gloydi

Crotalus intermedius gloydi is a subspecies of venomous pitviper in the family Viperidae. The subspecies is endemic to Mexico in the states of Oaxaca and Puebla. Common names: Oaxacan small-headed rattlesnake.

Crotalus intermedius omiltemanus

Crotalus intermedius omiltemanus is a venomous pitviper subspecies found in Mexico in the state of Guerrero. Common names: Omilteman small-headed rattlesnake.

Ctenosaura acanthura

The northeastern spinytail iguana was first described by British zoologist George Shaw in 1802. The generic name, Ctenosaura, is derived from two Greek words: ctenos Κτενός, meaning "comb" referring to the comblike spines on the lizards back and ...

Ctenosaura hemilopha

Ctenosaura hemilopha, also known as the cape spinytail iguana, is a species of spinytail iguana endemic to Baja California. It is arboreal and primarily herbivorous, although it can be an opportunistic carnivore. Males may grow up to 100 centimet ...

Ectatomma parasiticum

Ectatomma parasiticum is a species of ant in the subfamily Ectatomminae. Known from Mexico, the species is a social parasite of the related species Ectatomma tuberculatum. It is the only parasitic species described in the Ectatomminae subfamily, ...

Eutrichillus brevipilus

Eutrichillus brevipilus is a species of longhorn beetles of the subfamily Lamiinae. It was described by Chemsak and Linsley in 1986, and is known from northwestern Mexico.

Homoeocera papalo

Homoeocera papalo is a moth of the subfamily Arctiinae. It is known only from a very restricted area in Oaxaca state in Mexico, at high altitude. Length of fore wings is 20-21 mm., the Biology of this species is unknown.

Hypsiglena unaocularus

Hypsiglena unaocularus, commonly known as the Islas Revillagigedo night snake or Clarion night snake, is a species of small colubrid snake endemic to Clarion Island, initially described from a single specimen collected by William Beebe in 1936. D ...

Idiogramma elbakyanae

Idiogramma elbakyanae is a species of parasitoid wasp found in the Mexican state of Tlaxcala. The species was named and described by the Russian entomologist Andrey I. Khalaim. The description was published in a 2017 open access article co-author ...

Lampropeltis mexicana thayeri

Lampropeltis mexicana thayeri, Thayers kingsnake or Nuevo Leon kingsnake, is a nonvenomous snake belonging to the family Colubridae. Thayers kingsnake is a subspecies of the mexicana group of the genus Lampropeltis. Thayers kingsnake is endemic t ...

Lasius mexicanus

Lasius mexicanus is a species of ant belonging to the genus Lasius, formerly a part of the genus Acanthomyops. Described in 1914 by William Morton Wheeler, the species is native to Mexico.

Lerma chub

The Lerma chub is a species of freshwater fish in the family Cyprinidae. It is endemic to the uppermost Lerma River basin in the State of Mexico and Toluca Valley of central Mexico. This threatened species is up to about 13 cm long.

Lintneria xantus

Lintneria xantus is a moth of the family Sphingidae. It is known from Baja California and north-western Mexico. The wingspan is about 90 mm. It is similar to Lintneria Istar, but smaller, darker and less variegated and the average area of the fro ...

Mallos gregalis

Mallos gregalis is a spider species belonging to the family Dictynidae. It is endemic to Mexico. Discovered by the French naturalists in the last century, M. gregalis again brought to light in the 1970-ies Wes Burgess the study of their social li ...

Megacephala rawlinsi

Megacephala rawlinsi is a species of ground beetle in the subfamily of Carabinae. It was described by Davidson and Naviaux in 2006 and is endemic to Nayarit, Mexico.

Megasoma cedrosa

Megasoma cedrosa is a species of rhinoceros beetle. It is endemic to Mexico and described originally from Cedros Island. The name is often misspelled as "cedrosum" or "cedros" but the original spelling is retained under ICZN Article 31.2.3, as th ...

Megasoma occidentale

Megasoma occidentale is a species of scarab beetle. It is endemic to Mexico and is known from the Oaxaca and Sinaloa states. Adults are attracted by light. Larvae have been collected in rotten coconut palm stems.

Megasoma thersites

Megasoma thersites is a species of scarab beetle. It is endemic to Baja California, Mexico. Adults are attracted by light and feed on the cambium of palo verde.

Megastomatohyla

Megastomatohyla is a genus of frogs in the family Hylidae. They are endemic to the cloud forest of central Veracruz and Oaxaca, Mexico. This genus was erected in 2005 following a major revision of the Hylidae. Four species in this genus were prev ...

Minerva owl butterfly

Minerva owl butterfly is the common name for the butterfly species Opsiphanes blythekitzmillerae. In November 2007 an anonymous online auction bidder paid US.800 for the naming rights to the butterfly. It was named after Margery Minerva Blythe Ki ...

Mixcoatlus

Mixcoatlus is a small genus of pit vipers endemic to Mexico. The genus was created in 2011. Mixcoatlus the name comes from the Nahuatl word Mixcoatl or "cloud serpent", a deity of the Aztecs and some other Mesoamerican civilizations. The name als ...

Mountain chub

The mountain chub is a species of freshwater fish in the family Cyprinidae, endemic to the Huaynamota, Juchipila and Bolaños rivers in west-central Mexico.

Nazas shiner

The Nazas shiner is a species of cyprinid fish. It is endemic to Mexico and known from Nazas River at Santiago Papasquiaro in the Durango state, its type locality.

Novomessor ensifer

Novomessor ensifer is a species of ant endemic to Mexico. A member of the genus Novomessor in the subfamily Myrmicinae, it was first described by Swiss entomologist Auguste Forel in 1899. N. ensifer was originally a part of the genus Aphaenogaste ...

Ophryacus smaragdinus

Ophryacus smaragdinus is a venomous pitviper species endemic to the mountains of eastern Mexico. No subspecies are currently recognized. Common names: Emerald horned pitviper.

Ophryacus sphenophrys

Ophryacus sphenophrys is a venomous pitviper species endemic to the mountains of eastern Mexico. No subspecies are currently recognized. Common names: Broad-horned pitviper.

Orthomegas folschveilleri

Orthomegas folschveilleri is a species of beetle in the genus Orthomegas of the family Cerambycidae. It was described by Audureau in 2011. It is found in Mexico.

Paraplatyptilia azteca

Paraplatyptilia azteca is a moth of the family Pterophoridae that is known from Mexico. The wingspan is 21-23 mm 0.83–0.91 V. the Adults are on the wing in July.

Paratropis tuxtlensis

Paratropis tuxtlensis is a species of spiders in the family Paratropididae. Discovered in 2014 by a group of researchers from the National Autonomous University of Mexico, the species is only known to occur in the Volcan San Martin Biosphere Rese ...

Parides alopius

Parides alopius, the white-dotted cattleheart, is an endemic Mexican butterfly in the family Papilionidae. It has also strayed once into the United States in southeastern Arizona.

Patzcuaro chub

The Patzcuaro chub is a species of freshwater fish in the family Cyprinidae. It is endemic to Lake Patzcuaro and nearby waters in west-central Mexico. This is a relatively large Algansea, reaching a size similar to the popoche chub.

Popoche chub

The popoche chub is a species of freshwater ray-finned fish in the genus Algansea of the family Cyprinidae. It is endemic to the Lake Chapala and nearby sections of associated rivers in Jalisco of west-central Mexico. This is a relatively large o ...

Pygmy shiner

The pygmy shiner is a species of cyprinid fish. It is endemic to the Panuco River basin in east–central Mexico. Its type locality is Tamesi River at Llera in the Tamaulipas state. It is a small species, less than 4 cm in standard length.

Remote chub

The remote chub is a species of freshwater fish in the family Cyprinidae that is endemic to the Grande de Santiago River basin at an altitude of 760–975 m in west-central Mexico. This threatened species is up to 9.5 cm long.

Riffle chub

The riffle chub is a species of freshwater fish in the family Cyprinidae that is endemic to the Armeria, Ayutla and Tuxpan river basins in Jalisco and Colima of west-central Mexico. This threatened species is generally found in small rivers and s ...

Sauromalus klauberi

Sauromalus klauberi, commonly called the Santa Catalina chuckwalla or the spotted chuckwalla, is a species of chuckwalla, a lizard in the family Iguanidae. The species was first identified in 1941.

Sceloporus aurantius

Sceloporus aurantius is a species of phrynosomatid lizard native to Mexico. It was discovered by University of Washington biologists in May 2014 upon isolating gene pools from those of Sceloporus brownorum.

Yellow shiner

The yellow shiner is a species of ray-finned fish in the genus Notropis. It is endemic to Mexico where it is found in the Rio Lerma - Rio Grande de Santiago and Rio Panuco in central Mexico. It forms a species complex within the genus Notropis wi ...

Spottail chub

The spottail chub is a species of freshwater fish in the family Cyprinidae, endemic to the Lerma–Chapala basin and upper Santa Maria system in west-central Mexico. Populations of the Ameca River basin were formerly included in this species, but a ...

Vallarta mud turtle

The Vallarta mud turtle is a recently identified species of mud turtle in the family Kinosternidae. While formerly considered conspecific with the Jalisco mud turtle, further studies indicated that it was a separate species. It can be identified ...

Xylophanes damocrita

Xylophanes damocrita is a moth of the family Sphingidae first described by Herbert Druce in 1894. It is known from Mexico. Earth color uppersides of fore wings and body dark olive-green or brown. In tegula dark olive green with longitudinal dark ...

Xylophanes eumedon

Xylophanes eumedon is a moth of the family Sphingidae. It is known from Mexico. It is similar to Xylophanes aristor but smaller and the pattern of the front wings is much more of a contrast. It differs from most related species by the partial fus ...

Xylophanes katharinae

Xylophanes katharinae is a moth of the family Sphingidae. It is known from Mexico. It is intermediate in shape between the wing and damocrita Xylophanes josephinae, but differ from it as much broader pale orange median band on the wings at the to ...

Xylophanes mulleri

Xylophanes mulleri is a moth of the family Sphingidae. It is known from Mexico. The length of the front wings is about 33 mm. forewing uniformly brown on top and separated from the well-developed brown fourth postmedian line, contrasting with pal ...

Ballognatha

Ballognatha is a spider genus of the Salticidae family, with the single species B. typica. It occurs in Karakorum. The species and the genus was described on a single immature and MIS-classified samples. It is highly likely that there are no real ...