Geolabididae is an extinct family of prehistoric
mammals
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur o ...
belonging to the order
Eulipotyphla
Eulipotyphla (, which means "truly fat and blind") is an order of mammals suggested by molecular methods of phylogenetic reconstruction, which includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the ...
.
Taxonomy
*''
Batodon'' (Sometimes placed in
Cimolestidae
Cimolesta is an extinct order of non-placental eutherian mammals. Cimolestans had a wide variety of body shapes, dentition and lifestyles, though the majority of them were small to medium-sized general mammals that bore superficial resemblances t ...
)
**''Batodon tenuis'' Marsh, 1892 - Upper Cretaceous
Campanian
The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campani ...
to
Maastrichtian
The Maastrichtian () is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval ...
, Canada and United States.
*''
Batodonoides'' -
Lower Eocene
In the geologic timescale the Ypresian is the oldest age or lowest stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by the Eocene Lutetian Age. The Ypresian ...
(
Wasatchian
The Wasatchian North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 55,400,000 to 50,300,000 years BP lasting .
It is usually c ...
) to Mid Eocene (
Uintan
The Uintan North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 46,200,000 to 42,000,000 years BP lasting . It falls within the ...
) - North America
*''
Gobigeolabis'' Lopatin, 2004
**''Gobigeolabis verigranum'' Lopatin, 2004 - Upper
Paleocene
The Paleocene, ( ) or Palaeocene, is a geological epoch that lasted from about 66 to 56 million years ago (mya). It is the first epoch of the Paleogene Period in the modern Cenozoic Era. The name is a combination of the Ancient Greek ''pal ...
,
Mongolia
Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
*''
Centetodon'' Marsh, 1872 (incl. ''Geolabis'') - Lower Eocene to Early Miocene
**''Centetodon aztecus'' Lillegraven et al. 1981
**''Centetodon bembicophagus'' Lillegraven et al. 1981
**''Centetodon bacchanalis'' (McGrew, 1959)
**''Centetodon chadronensis'' Lillegraven et al., 1981 -. Mid Eocene (
Duchesnean
The Duchesnean North American Stage on the geologic timescale is a North American Land Mammal Age (NALMA), with an age from 42 to 38 million years BP, representing . It falls within the Eocene epoch. The Duchesnean is preceded by the Uintan and ...
) to
Oligocene (
Orellan
The Orellan North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), 34-32 million years ago. It is usually considered to fall within the Early Oligocene. ...
)
**''Centetodon divaricatus'' Korth, 1992 - Upper
Oligocene, North America
*''
Marsholestes'' - Middle Eocene, (
Bridgerian
The Bridgerian North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 50,300,000 to 46,200,000 years BP lasting .
It is usually c ...
)
**''Marsholestes dasypelix'' Matthew 1909
*''
Stilpnodon'' Simpson 1935
References
Taxonomic occurrences of Geolabididae recorded in the Paleobiology Database
*
*
Prehistoric Eulipotyphla
Soricomorphs
{{paleo-eulipotyphla-stub