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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: February 11th, 2024.

Taxonomy of the family Viperidae
Bibliography of the genus Porthidium
Biodiversity of the family Viperidae


Hognosed Pitvipers

Stülpnasenlanzenottern, Hakennasen-Lanzenottern, Nasen-Lanzenottern


1871 Porthidium Cope (type species: Bothrops nasutus Bocourt 1868)
1889 Thanatos Posada Arango (type species: Thanatos sutus Posada-Arango 1889)
1889 Thanatophis Posada Arango [substitute name for Thanatos Posada Arango 1889 erroneously believed preoccupied by Thanatus Koch 1837 (Arachnida)]
Contents: 9 species, of which 5 (55.6%) are endemic.
Endemism: 0% 100%
Remarks: Previously included in Bothrops. See also Atropoides and Cerrophidion.
Distribution: S. Mexico, Central America, NW. South America.
Reported from: Belize, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico (Campeche, Chiapas, Colima, Guerrero, Michoacan, Oaxaca, Quintana Roo, Tabasco, Yucatan), Nicaragua, Panama, Venezuela (incl. Margarita).

Porthidium arcosae

Manabí Hognosed Pitviper



1993 Porthidium lansbergii arcosae Schätti & Kramer
Porthidium arcosae Campbell & Lamar 2004

Distribution: Ecuador.

Porthidium dunni

Tehuantepec Hognosed Pitviper, (Dunn's Hognosed Pitviper)



1938 Trimeresurus dunni Hartweg & Oliver
Bothrops dunni Smith 1943
Porthidium dunni Campbell & Lamar 1989

Distribution: Mexico (Chiapas, Oaxaca).

Porthidium hespere

Colima Hognosed Pitviper, Western Hognosed Pitviper



1976 Bothrops hesperus Campbell

Distribution: Mexico (Colima, Guerrero, Michoacan).

Porthidium lansbergi

Colombian Hognosed Pitviper, (Lansberg's Hognosed Pitviper)

Kolumbianische Stülpnasenlanzenotter

Colombiansk Trynehugorm

1841 Trigonocephalus lansbergi Schlegel
Teleuraspis lansbergi Cope 1860
Bothrops lansbergi Günther 1863
Porthidium lansbergii Cope 1871
Thanatos lansbergii Posada-Arango 1889
Thanatophis lansbergi Posada-Arango 1889
Bothriechis lansbergii Günther 1895
Lachesis lansbergii Boulenger 1896
1860 Teleuraspis castelnaui brachystoma Cope "1859" (Campbell & Lamar 2004)
Bothriechis brachystoma Cope 1861
Porthidium brachystoma Cope 1871
Bothriopsis castelnavi brachystoma Cope 1861
Bothrops brachystoma Müller 1880
Bothriopsis brachystoma Müller 1880
Lachesis brachystoma Boulenger 1896
Trimeresurus brachystoma Mocquard 1909
1959 Bothrops lansbergii venezuelensis Roze [not Bothrops venezuelensis Sandner-Montilla 1952] (Campbell & Lamar 2004)
1968 Bothrops lansbergii rozei Peters [substitute name for Bothrops lansbergii venezuelensis Roze 1959]
Porthidium lansbergii rozei Campbell & Lamar 1989
1971 Bothrops lansbergii janisrozei Hoge & Romano [lapsus for Bothrops lansbergii rozei] (Campbell & Lamar 2004)
1989 Bothrops lansbergi hutmanni Sandner-Montilla (Campbell & Lamar 2004)
Porthidium lansbergii hutmanni [sic] Cornejo-Escobar, Sousa, Gregoriani, Morales, Guzmán, Sánchez & Leal 2013

Distribution: Colombia, Panama, Venezuela (incl. Isla Margarita).

Porthidium nasutum

Rainforest Hognosed Pitviper



1868 Bothrops nasutus Bocourt
Porthidium nasutum Cope 1871
Trimeresurus nasutus Dunn & Bailey 1939
Bothriechis nasutus Savage 1980
1875 Bothriopsis proboscideus Cope (Campbell & Lamar 2004)
1889 Thanatos sutus Posada-Arango (Campbell & Lamar 2004)
Thanatophis sutus Posada-Arango 1889
Porthidium nasutum sutum Burger 1971

Distribution: Belize, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico (Chiapas, Tabasco), Nicaragua, Panama.

Porthidium ophryomegas

Slender Hognosed Pitviper

Schlanke Stülpnasenlanzenotter

Slank Trynehugorm

1868 Bothrops ophryomegas Bocourt
Bothriopsis ophryomegas Cope 1871
Bothriechis ophryomegas Günther 1895
Trimeresurus ophryomegas Mocquard 1909
Porthidium ophryomegas Campbell & Lamar 1989
1936 Trimeresurus lansbergii annectens Schmidt (Campbell & Lamar 2004)

Remarks: Presence in Panama needs confirmation (Solís, Ibáñez & Jaramillo 1996).
Distribution: Costa Rica, El Salvador, Guatemala, Honduras, Mexico (Chiapas), Nicaragua.

Porthidium porrasi

White-tailed Hognosed Pitviper


Hvidhalet Trynehugorm

2003 Porthidium porrasi Lamar & Sasa

Remarks: This species was previously regarded as a differentiated population of nasutum (Lamar & Sasa 2003).
Distribution: Costa Rica.

Porthidium volcanicum

Ujarrán Hognosed Pitviper

Costaricanische Stülpnasenlanzenotter


1995 Porthidium volcanicum Solorzano

Distribution: Costa Rica, Panama.

Porthidium yucatanicum

Yucatan Hognosed Pitviper



1941 Trimeresurus yucatannicus Smith
Bothrops yucatanicus Smith & Taylor 1945
Porthidium yucatanicum Campbell & Lamar 1989

Distribution: Mexico (Campeche, Quintana Roo, Yucatan).