Metacheiromyidae

{{Short description|Extinct family of mammals}}

{{Automatic taxobox

|fossil_range = {{fossil_range|57.4|46.2}} late Paleocene to middle Eocene

|image = Metacheiromys NT.jpg

|image_caption = Reconstruction of
Metacheiromys marshi

|image2 = Palaeanodon ignavus.jpg

|image2_caption = skull of Palaeanodon ignavus

|taxon = Metacheiromyidae

|authority = Wortman, 1903J. L. Wortman (1903.) [https://wellcomecollection.org/works/jmh2gpna/items "Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum. Part II. Primates. Suborder Cheiromyoidea."] The American Journal of Science, series 4 16:345-368

|type_genus = †Metacheiromys

|type_genus_authority = Wortman, 1903

|subdivision_ranks = Genera

|subdivision = {{center|[see classification]}}

|synonyms = * Metachiromyidae {{small|(Wortman, 1903)}}

}}

Metacheiromyidae ("next to Cheiromys") is an extinct paraphyletic family of myrmecophagous placental mammals within extinct order Palaeanodonta, that lived in North America and Europe from the late Paleocene to middle Eocene.R. M. Schoch (1984.) [https://www.biodiversitylibrary.org/page/27921741#page/1/mode/1up "Revision of Metacheiromys (Wortman, 1903) and a review of the Palaeanodonta."] Postilla 192:1-28{{cite book |last1=McKenna |first1=Malcolm C. |last2=Bell |first2=Susan K. |title=Classification of Mammals Above the Species Level |url=https://books.google.com/books?id=OLYifwU8bqQC&pg=PP9 |access-date=16 March 2015 |year=1997 |publisher=Columbia University Press |location=New York |isbn=978-0-231-11012-9}}

Classification and phylogeny

=Taxonomy=

  • Family: †Metacheiromyidae (paraphyletic family) (Pilgrim, 1932)
  • Genus: †Brachianodon (Gunnell & Gingerich, 1993)
  • Brachianodon westorum (Gunnell & Gingerich, 1993)
  • Genus: †Mylanodon (Secord, 2002)
  • Mylanodon rosei (Secord, 2002)
  • Subfamily: †Metacheiromyinae (paraphyletic subfamily) (Wortman, 1903)
  • Genus: †Metacheiromys (Wortman, 1903)
  • Metacheiromys dasypus (Osborn, 1904)
  • Metacheiromys marshi (Wortman, 1903)
  • Genus: †Palaeanodon (Matthew, 1918)
  • Palaeanodon ignavus (Matthew, 1918)
  • Palaeanodon nievelti (Gingerich, 1989)
  • Palaeanodon parvulus (Matthew, 1918)
  • Palaeanodon sp. [Le Quesnoy] (Gheerbrant, 2005)
  • Subfamily: †Propalaeanodontinae (Schoch, 1984)
  • Genus: †Propalaeanodon (Rose, 1979)
  • Palaeanodon parvulus (Rose, 1979)

=Phylogenetic tree=

The phylogenetic relationships of family Metacheiromyidae are shown in the following cladogram:K. D. Rose, L. Krishtalka and R. K. Stucky (1991.) [https://jhu.pure.elsevier.com/en/publications/revision-of-the-wind-river-faunas-early-eocene-of-central-wyoming-3 "Revision of the Wind River faunas, early Eocene of central Wyoming. Part 11. Palaeanodonta (Mammalia)."] Annals of Carnegie Museum 60(1):63-82{{cite journal |last1=Rose |first1=Kenneth D. |last2=Lucas |first2=Spencer G. |title=An early Paleocene palaeanodont (Mammalia, ?Pholidota) from New Mexico, and the origin of Palaeanodonta |journal=Journal of Vertebrate Paleontology |volume=20 |issue=1 |year=2000 |pages=139–156 |issn=0272-4634 |doi=10.1671/0272-4634(2000)020[0139:AEPPMP]2.0.CO;2}}Rose, K. D. (2008.) [https://www.cambridge.org/core/books/evolution-of-tertiary-mammals-of-north-america/palaeanodonta-and-pholidota/C1D2097E28937528CE71396FDD68162A "Palaeanodonta and Pholidota"]; pp. 135–146 in C. M. Janis, G. F. Gunnell, and M. Uhen (eds.), "Evolution of Tertiary Mammals of North America. Volume 2: Small Mammals, Xenarthrans, and Marine Mammals." Cambridge University Press, Cambridge, U.K.{{cite journal |last1=Gaudin |first1=T. J. |last2=Emry |first2=R. J. |last3=Wible |first3=J. R. |title=The Phylogeny of Living and Extinct Pangolins (Mammalia, Pholidota) and Associated Taxa: A Morphology Based Analysis |journal=Journal of Mammalian Evolution |volume=16 |page=235 |date=2009 |doi=10.1007/s10914-009-9119-9}}{{cite journal |last=Kondrashov |first=Peter |last2=Agadjanian |first2=Alexandre K. |title=A nearly complete skeleton of Ernanodon (Mammalia, Palaeanodonta) from Mongolia: morphofunctional analysis |journal=Journal of Vertebrate Paleontology |volume=32 |issue=5 |year=2012 |issn=0272-4634 |doi=10.1080/02724634.2012.694319 |pages=983–1001}}

{{clade |style=font-size:85%;line-height:100%;

|grouplabel1={{clade labels

|label1=†Epoicotherium/Xenocranium clade |top1=28%

|label2=†Metacheiromyidae |top2=80%

}}

|label1=Ferae

|1={{clade

|1=Pan-Carnivora 50px

|label2=Pholidotamorpha|sublabel2={{small|(Pholidota sensu lato)}}

|2={{clade

|1=Pangolin 60px

|label2=†Palaeanodonta

|2={{clade

|thickness2=2

|1=†Escavadodontidae

|label2=?|state2=dotted

|2=†Melaniella

|3={{clade

|thickness=2 |style1=background-color:#76ABDF |color=blue

|1=†Amelotabes

|2={{clade

|thickness=2 |thickness3=1 |style1=background-color:#76ABDF |caption=†Epoicotheriidae |captionstyle=background-color:#76ABDF;text-align:center;font-weight:bold;padding:2px 10px 1px 1px; |color=blue |color2=black |color3=black

|1={{clade

|thickness=2 |color=blue

|1={{clade

|thickness=2 |style1=background-color:#99CDFF |color=blue

|1={{clade

|thickness=2 |color=blue |grouplabel1x=†Epoicotherium/Xenocranium група

|1={{clade

|thickness=2 |color=blue |barbegin1=red

|1={{clade

|thickness=2 |color=blue

|1=†Epoicotherium

|2=†Molaetherium

}}

|2=†Xenocranium |barend2=red

|footer=†Epoicotheriinae |footerstyle=background-color:#99CDFF;text-align:center;font-weight:bold;padding:2px 10px 1px 1px;

}}

|2=†Tetrapassalus

}}

|2=†Dipassalus

}}

|2=†Alocodontulum

|3=†Auroratherium

|style4=background-color:#99CDFF

|4=†Pentapassalus

|5=†Tubulodon

}}

|label2=?|state2=dotted

|2=†Arcticanodon

|grouplabel3x=†Metacheiromyidae

|3={{clade

|thickness=2 |color=green

|1={{clade

|thickness=2 |color=green |label1=†Propalaeanodontinae

|1={{clade

|thickness=2 |color=green |label1=†Propalaeanodon

|1=†Propalaeanodon schaffi |barbegin1=green

}} }}

|2={{clade

|thickness=2 |color=green

|1={{clade

|thickness=2 |label1=†Mylanodon|color=green

|1=†Mylanodon rosei |bar1=green

}}

|2={{clade

|thickness=2 |color=green

|1={{clade

|thickness=2 |label1=†Brachianodon|color=green

|1=†Brachianodon westorum |bar1=green

}}

|2={{clade

|thickness=2 |thickness2=0 |color=green |style1=background-color:#74C365 |bar1=green

|1={{clade

|thickness=2 |label1=†Palaeanodon|color=green

|1={{clade

|thickness=2 |color=green

|1={{clade

|thickness=2 |color=green |label2=?|state2=dotted

|1=†Palaeanodon nievelti

|2=†Palaeanodon sp. (Le Quesnoy)

}}

|2=†Palaeanodon ignavus

|3=†Palaeanodon parvulus

}} }}

|style2=background-color:#74C365

|2=†Metacheiromyinae |bar2=green

|3={{clade

|thickness=2 |thickness2=1 |label1=†Metacheiromys|color=green |color2=black |style1=background-color:#74C365 |barend1=green

|1={{clade

|thickness=2 |color=green

|1=†Metacheiromys dasypus

|2=†Metacheiromys marshi

}}

|2=†Ernanodontidae

}} }} }} }} }} }} }} }} }} }} }}

See also

References