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Eulipotyphla ("truly fat and blind"[3]) is an order of mammals suggested by molecular methods of phylogenetic reconstruction, and includes the laurasiatherian members of the now-invalid polyphyletic order Lipotyphla, but not the afrotherian members (tenrecs and golden moles, now in their own order Afrosoricida). Lipotyphla in turn had been derived by removing a number of groups from Insectivora, the previously used wastebasket taxon.

Eulipotyphla
Temporal range: Eocene to present
2008 Hedgehog 1020932.jpg
Southern white-breasted hedgehog (Erinaceus concolor)
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Magnorder: Boreoeutheria
Clade: Laurasiatheria
Order: Eulipotyphla
Waddell et al., 1999
Families
Hispaniolan solenodon (Solenodon paradoxus). Solenodons are estimated to have diverged from other extant eulipotyphlans in the Late Cretaceous.[1][2]

Eulipotyphla comprises the hedgehogs and gymnures (family Erinaceidae, formerly also the order Erinaceomorpha), solenodons (family Solenodontidae), the desmans, moles, and shrew-like moles (family Talpidae) and true shrews (family Soricidae). True shrews, talpids and solenodons were formerly grouped in Soricomorpha; however, Soricomorpha has been found to be paraphyletic, since erinaceids are the sister group of shrews.[4][5][6]

ClassificationEdit

Family-level cladogram of extant eulipotyphlan relationships, following Roca et al. and Brace et al.:[5][7]


   Eulipotyphla   

Nesophontidae  

Solenodontidae  

Talpidae  

Soricidae  

Erinaceidae  

The upper and lower basal subclades within the tree are the suborders Solenodonota and Erinaceota, respectively.[7] These two branches are estimated to have split ~72-74 million years (Ma) ago.[7][1][2] The Nesophontidae and Solenodontidae are thought to have separated roughly 57 Ma ago.[7] Split times for talpids vs. soricids plus erinaceids, and for soricids vs. erinaceids, have been estimated at around 69 Ma and 64 Ma ago, respectively.[8]

ReferencesEdit

  1. ^ a b de Lazaro, Enrico (19 March 2018). "Solenodon Genome Sequenced". Sci-News.com. Retrieved 2019-06-23.
  2. ^ a b Grigorev, K.; Kliver, S.; Dobrynin, P.; Komissarov, A.; Wolfsberger, W.; Krasheninnikova, K.; Afanador-Hernández, Y. M.; Brandt, A. L.; Paulino, L. A.; Carreras, R.; Rodríguez, L. E.; Núñez, A.; Brandt, J. R.; Silva, F.; Hernández-Martich, J. D.; Majeske, A. J.; Antunes, A.; Roca, A. L.; O'Brien, S. J.; Martínez-Cruzado, J. C.; Oleksyk, T. K. (2018). "Innovative assembly strategy contributes to understanding the evolution and conservation genetics of the endangered Solenodon paradoxus from the island of Hispaniola". GigaScience. 7 (6). doi:10.1093/gigascience/giy025. PMC 6009670.
  3. ^ Hassan, Mo (2009-10-11). "British Wildlife: N". The Disillusioned Taxonomist blog. Retrieved 2015-11-26.
  4. ^ Douady, C. J.; Chatelier, P. I.; Madsen, O.; de Jong, W. W.; Catzeflis, F.; Springer, M. S.; Stanhope, M. J. (October 2002). "Molecular phylogenetic evidence confirming the Eulipotyphla concept and in support of hedgehogs as the sister group to shrews". Molecular Phylogenetics and Evolution. 25 (1): 200–209. doi:10.1016/S1055-7903(02)00232-4.
  5. ^ a b Roca, A. L.; Bar-Gal, G. K.; Eizirik, E.; Helgen, K. M.; Maria, R.; Springer, M. S.; O'Brien, S. J.; Murphy, W. J. (2004-06-10). "Mesozoic origin for West Indian insectivores". Nature. 429 (6992): 649–651. Bibcode:2004Natur.429..649R. doi:10.1038/nature02597. PMID 15190349.
  6. ^ Bininda-Emonds, O. R. P.; Cardillo, M.; Jones, K. E.; MacPhee, R. D. E.; Beck, R. M. D.; Grenyer, R.; Price, S. A.; Vos, R. A.; Gittleman, J. L.; Purvis, A. (2007-03-29). "The delayed rise of present-day mammals". Nature. 446 (7135): 507–512. Bibcode:2007Natur.446..507B. doi:10.1038/nature05634. PMID 17392779.
  7. ^ a b c d Brace, S.; Thomas, J. A.; Dalén, L.; Burger, J.; MacPhee, R. D. E.; Barnes, I.; Turvey, S. T. (2016). "Evolutionary History of the Nesophontidae, the Last Unplaced Recent Mammal Family". Molecular Biology and Evolution. 33 (12): 3095–3103. doi:10.1093/molbev/msw186. PMID 27624716.
  8. ^ Springer, M. S.; Murphy, W. J.; Roca, A. L. (2018). "Appropriate fossil calibrations and tree constraints uphold the Mesozoic divergence of solenodons from other extant mammals". Molecular Phylogenetics and Evolution. 121: 158–165. doi:10.1016/j.ympev.2018.01.007.