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| fossil_range = {{fossilrange|Danian|Present}}<ref>{{Cite journal |author=Werner Schwarzhans |year=2012 |title=F [[Category:Danian first appearances]] ...

...n=1851-8249 |access-date=2017-02-12}}</ref> and is represented by only one extant species, the [[monito del monte]], and a number of extinct species known fr ...an orders form the clade [[Australidelphia]] which are now thought to have first evolved in the South American region of [[Gondwana]]. ...

|first=J. There are currently two recognized extant species in this genus, and numerous extinct species: ...

...[[crown group]] osteoglossids that are more closely related to one of the extant osteoglossid subfamilies than the other, though their exact position varies ...]]. The traditionally defined wider family includes several [[Extant taxon|extant]] species from South America, [[African arowana|one from Africa]], two from ...

...ology)|family]] of [[australidelphia]]n marsupials represented by only one extant species, the [[monito del monte]], and a number of extinct species known fr ...an orders form the clade [[Australidelphia]] which are now thought to have first evolved in the South American region of [[Gondwana]]. ...

|first=Jack ...lectronica |language=en}}</ref><ref name=":0">{{Cite journal |last=Pictet |first=Antoine |last2=Chablais |first2=Jérôme |last3=Cavin |first3=Lionel |date=20 ...

...Otoliths from the Late Maastrichtian Kemp Clay (Texas, Usa) and the Early Danian Clayton Formation (Arkansas, Usa) and an Assessment of Extinction and Survi [[Category:Extant Campanian first appearances]] ...

| subdivision_ranks = Extant genera ...]: the genus ''[[Peltocephalus]]'', with two species, only one of which is extant (''P. dumerilianus'', the Big-headed Amazon River turtle); and the genus '' ...

...Otoliths from the Late Maastrichtian Kemp Clay (Texas, Usa) and the Early Danian Clayton Formation (Arkansas, Usa) and an Assessment of Extinction and Survi ...e posterior of the cusk-eel's body.<ref name=":1">{{Cite book|last=Bigelow|first=Andrew|title=Bigelow and Schroeder's fishes of the Gulf of Maine|publisher= ...

...at least the Late [[Eocene]], two families are known to have existed, the extant '''Coliidae''' and the longer-billed prehistorically [[extinct]] [[Sandcole ...The genus name is an [[anagram]] of "[[Messel pit|Messel]]", where it was first found.</ref> ...

...order within the vertebrates.<ref name="nelson">{{Cite book |last=Nelson |first=J. S. |title=[[Fishes of the World]] |date=2006 |publisher=John Wiley & Son ...us]]'' (originally considered an early [[Serranidae|serranid]]) from the [[Danian|Early Paleocene]] of [[Mexico]], but potential records of "percoids" are kn ...

...d States and the undescribed, informally named "''Protocodus''" from the [[Danian|Early Paleocene]] of [[Greenland]].<ref>{{Cite journal |last1=Stringer |fir ...Eschmeyer's Catalog of Fishes]]'':<ref name=":13">{{Cite web |last=Fricke |first=R. |last2=Eschmeyer |first2=W. N. |last3=Van der Laan |first3=R. |date=2025 ...

| fossil_range = {{fossilrange|Danian|0}} <br />Early [[Paleocene]] ([[Danian]]) to Present<ref>{{Cite journal|author=Werner Schwarzhans |year=2012 |titl ...r2-last=Eschmeyer |editor2-first=W. N. |editor3-last=Van der Laan |editor3-first=R. |title=Eschmeyer's Catalog of Fishes: Genera, Species, References |url=h ...

...lia, dating to around 100 million years ago.<ref>{{Cite journal|last=Smith|first=Elizabeth T.|date=September 2010|title=Early Cretaceous chelids from Lightn ...ll>Bona, 2006</small> [[Salamanca Formation]], Argentina, [[Paleocene]] ([[Danian]]) ...

...elopment in Tapirus (Perissodactyla: Tapiridae) and comparisons with other extant and fossil hoofed mammals |url=https://linkinghub.elsevier.com/retrieve/pii ...nardo |date=August 2021 |title=From oral pathology to feeding ecology: The first dental calculus paleodiet study of a South American native megamammal |url= ...

...ene]] epoch, found at Shirley Canal, [[Montana]]. It was described for the first time in 1924 by the paleobotanist [[Frank Hall Knowlton]]. The fossil leaf ...ited States]].<ref name="Wintermantel-2020">{{cite web |last=Wintermantel |first=William M. |title=Whitefly-Transmitted Yellowing Viruses of Cucurbit Crops ...

...ichi |author3=Kuratani, Shigeru |title=Thoracolumbar vertebral number: The first skeletal synapomorphy for afrotherian mammals|journal=Systematics and Biodi ...f afrotherians.<ref name=Gheerbrantetal2014>{{cite journal|last=Gheerbrant|first=Emmanuel|author2=Amaghzaz, Mbarek|author3=Bouya, Baadi|author4=Goussard, Fl ...

...'), also known as the '''lizard shark''', is one of the two [[extant taxon|extant]] species of shark in the [[family (biology)|family]] [[Chlamydoselachidae] ...nly occurs at depths of {{convert|50|–|200|m|ft|abbr=on}}.<ref>{{cite web| first= Dianne J.| last= Bray| year= 2011| title= Frill Shark, ''Chlamydoselachus ...

...sil ''Chanos'' Lacepède, 1803 (Gonorynchiformes, Chanidae) from Paleocene (Danian) outcrops near Palenque (Mexico) revealed by geometric morphometrics indica ...nth=October |year=2015}}</ref><ref name=Nelson>{{Cite book| last = Nelson| first = J. S.| title = [[Fishes of the World]]| author-link = Joseph S. Nelson| l ...

| fossil_range = Late [[Danian]]-[[Holocene|Recent]], {{fossilrange|62|0|earliest=66}} <small>Possible [[C .../penguinProject/Little|title=Little Penguin – Penguin Project|last=Grabski|first=Valerie|year=2009|publisher=Penguin Sentinels/University of Washington|arch ...