The pristine mustached bat (''Pteronotus (Phyllodia) pristinus'') is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

Late

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...

species of

bat Bats are flying mammals of the order Chiroptera (). With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out ...

in the

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeogra ...

family

Mormoopidae The family Mormoopidae contains bats known generally as mustached bats, ghost-faced bats, and naked-backed bats. They are found in the Americas from the Southwestern United States to Southeastern Brazil. They are distinguished by the presen ...

. It was distributed in

Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...

and possibly

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

(

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Distribution

This bat is known only from subfossils. It was described from Late

cave deposits in

( Las Villas Province,

Trinidad Trinidad is the larger, more populous island of the Republic of Trinidad and Tobago, the country. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is the southernmost island in ...

, Cueva de los Masones) and found also in

Rancholabrean The Rancholabrean North American Land Mammal Age on the geologic timescale is a North American faunal stage in the North American Land Mammal Ages chronology (NALMA),Sanders, A.E., R.E. Weems, and L.B. Albright III (2009) Formalization of the mid- ...

cave deposits in southern

(

Monkey Jungle Monkey Jungle is a primatarium and zoological park located in South Miami, Florida. Established in 1933 by Joseph DuMond for the exhibition and study of endangered monkeys in semi-natural habitats after releasing 6 Java Macaques into a subtropica ...

Hammock).

Pristine mustached bat Pteronotus pristinus fossil distribution

Florida specimens (two

mandible In jawed vertebrates, the mandible (from the Latin ''mandibula'', 'for chewing'), lower jaw, or jawbone is a bone that makes up the lowerand typically more mobilecomponent of the mouth (the upper jaw being known as the maxilla). The jawbone i ...

s) were only tentatively referred to ''Pteronotus''

cf. The abbreviation cf. (short for either Latin or , both meaning 'compare') is generally used in writing to refer the reader to other material to make a comparison with the topic being discussed. However some sources offer differing or even contr ...

''P. pristinus'', because they could not be directly compared with the Cuban material (several skulls,

postcrania The postcranium ("behind the cranium"; plural: postcrania) or postcranial skeleton in zoology and vertebrate paleontology is the skeleton apart from the skull. The postcranium encompasses the axial skeleton, which includes the entirety of the verte ...

l elements), but they may represent ''P. pristinus''. This is the only occurrence of ''

Pteronotus ''Pteronotus'' is a genus of bats. Eight extant species have been recognized, as well as one relatively recently extinct species. References

* Gutierrez, E.E. & Molinari, J. 2008. Morphometrics and taxonomy of bats of the genus ''Pteronotu ...

'' in the United States, fossil or recent. Cuba is the most likely source for

West Indian A West Indian is a native or inhabitant of the West Indies (the Antilles and the Lucayan Archipelago). According to the ''Oxford English Dictionary'' (''OED''), the term ''West Indian'' in 1597 described the indigenous inhabitants of the West In ...

bats in Florida.

Extinction

Caribbean Sea Gulf of Mexico shaded relief bathymetry land map 2

In Florida, the pristine mustached bat became locally extinct at the end of the

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

, what probably resulted from the rise in sea level, the subsequent flooding of caves and loss of roosting sites. The sea level in Florida was as much as 100 m lower in late Pleistocene, as well water tables, and cave systems in

Hammock, Cutler Hammock and Rock Springs were dry. But during the latest Pleistocene the rising sea level caused flooding of these cave systems and destroyed a hot and humid microclimate of so-called hot caves. Currently two first of them are sediment-filled sinkholes few meters above sea level, third one is submerged. In these three sites in southern peninsula, the sea level stand change presumably was also reason of

extirpation Local extinction, also extirpation, is the termination of a species (or other taxon) in a chosen geographic area of study, though it still exists elsewhere. Local extinctions are contrasted with extinction, global extinctions. Local extinctions ...

of another tropical cave-dwelling bat in the

family

(extralimital

ghost-faced bat The ghost-faced bat (''Mormoops megalophylla'') is a bat in the genus ''Mormoops''. It is one of only two extant species within its genus, the other being the much smaller ''Mormoops blainvillii''. They are nocturnal and hunt using Animal echolo ...

''Mormoops megalophylla'') and one North American species (

southeastern myotis The southeastern myotis (''Myotis austroriparius'') is a small bat found throughout the Gulf Coastal Plain and the Lower Mississippi Alluvial Plain of the southeastern United States. Description The southeastern myotis weighs 5–8 g. Its die ...

''Myotis austroriparius'') as well. The fourth species -

big brown bat The big brown bat (''Eptesicus fuscus'') is a species of vesper bat distributed widely throughout North America, the Caribbean, and the northern portion of South America. It was first described as a species in 1796. Compared to other microbats ...

(''Eptesicus fuscus'') became rare in Florida caves. Such a pattern of extinction or extirpation is known also from many small islands in

West Indies The West Indies is an island subregion of the Americas, surrounded by the Atlantic Ocean, North Atlantic Ocean and the Caribbean Sea, which comprises 13 independent island country, island countries and 19 dependent territory, dependencies in thr ...

(

Bahamas The Bahamas, officially the Commonwealth of The Bahamas, is an archipelagic and island country within the Lucayan Archipelago of the Atlantic Ocean. It contains 97 per cent of the archipelago's land area and 88 per cent of its population. ...

Cayman Islands The Cayman Islands () is a self-governing British Overseas Territories, British Overseas Territory, and the largest by population. The territory comprises the three islands of Grand Cayman, Cayman Brac and Little Cayman, which are located so ...

Lesser Antilles The Lesser Antilles is a group of islands in the Caribbean Sea, forming part of the West Indies in Caribbean, Caribbean region of the Americas. They are distinguished from the larger islands of the Greater Antilles to the west. They form an arc w ...

Notes

References

{{Taxonbar, from=Q10809473 Pteronotus Pleistocene extinctions Bats of North America Bats of Central America Bats of the United States Mammals of Cuba Mammals described in 1974