Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Ordo: †Cimolesta
Classis: Mammalia
Cohors: Eutheria
Ordo: †Cimolesta
Subordines: †Didelphodonta – †Palaeoryctida –†Pantolesta – †Taeniodonta
Familiae incertae sedis: †Cimolestidae – †Todralestidae
Name
Cimolesta McKenna, 1975
References
Primary references
McKenna, M.C. 1975. Toward a phylogenetic classification of the Mammalia. pp. 21–46. DOI: 10.1007/978-1-4684-2166-8_2 In: Luckett, W.P. & Szalay, F.S. (eds.) Phylogeny of the primates: a multidisciplinary approach. New York: Plenum. ISBN 978-0-3063-0852-9 Reference page.
Vernacular names
català: Cimolest
日本語: キモレステス目
русский: Цимолесты
Cimolesta is an extinct order of non-placental eutherian mammals.[2] 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 to rodents, lagomorphs, mustelids, and marsupials.
Several groups have previously been suggested to have descended from the Cimolesta: the Pholidota (which would have been regarded as a suborder of Cimolesta), the Creodonta, and the Carnivora. The origins of the enigmatic Dinocerata have been suggested to lie within the Cimolesta as well. However, recent studies have revealed that cimolestans are more likely to be basal, non-placental eutherians, with no living descendants.[2]
Some experts had placed the pangolins within Cimolesta, though the current consensus is that the pangolins should be placed within their own order, Pholidota, as a sister taxon to Carnivora within Ferae.[3][4] Some have also placed the enigmatic family Ptolemaiidae within Cimolesta, also due to similarities between dental and skull anatomies with those of Pantolesta. If the ptolemaiids were indeed cimolestids, then Cimolesta would have ranged from the Late Cretaceous to the early Miocene, when the last ptolemaiid, Kelba, disappeared in Eastern Africa. However, more thorough studies suggest that the ptolemaiids were more probably afrotheres related to aardvarks, tenrecs and golden moles.[5] [6] If one ignores the ptolemaiids as afrotherians, then the last, unequivocal cimolestids, the pantolestids Gobiopithecus and Kiinkerishella, died out during the Late Eocene or early Oligocene.
The cimolestid Procerberus may have been closely related to Taeniodonta.[7][8][9][10][11] Procerberus was the largest cimolestid and different species may be closer to conoryctid taeniodonts and others to stylinodontine taeniodonts. However, Procerberus has been found by cladistic analysis to be outside of a Taeniodonta + Alveugena carbonensis, with Procerberus grandis being closer to that clade than to other Procerberus species.[8]
References
"Cimolesta". paleobiodb.org. Retrieved 2021-08-13.
Rook, D.L.; Hunter, J.P. (2013). "Rooting Around the Eutherian Family Tree: the Origin and Relations of the Taeniodonta". Journal of Mammalian Evolution. 21: 1–17. doi:10.1007/s10914-013-9230-9. S2CID 17074668.
Murphy, Willian J.; O'Brien, SJ; et al. (2001-12-14). "Resolution of the Early Placental Mammal Radiation Using Bayesian Phylogenetics". Science. 294 (5550): 2348–2351. Bibcode:2001Sci...294.2348M. doi:10.1126/science.1067179. PMID 11743200. S2CID 34367609.
Beck, Robin MD; Bininda-Emonds, Olaf RP; Cardillo, Marcel; Liu, Fu-Guo; Purvis, Andy (2006). "A higher-level MRP supertree of placental mammals". BMC Evolutionary Biology. 6 (1): 93. doi:10.1186/1471-2148-6-93. PMC 1654192. PMID 17101039.
Cote S, Werdelin L, Seiffert ER, Barry JC (March 2007). "Additional material of the enigmatic Early Miocene mammal Kelba and its relationship to the order Ptolemaiida". Proc Natl Acad Sci USA. 104 (13): 5510–5. Bibcode:2007PNAS..104.5510C. doi:10.1073/pnas.0700441104. PMC 1838468. PMID 17372202.
Seiffert, Erik R (2007). "A new estimate of afrotherian phylogeny based on simultaneous analysis of genomic, morphological, and fossil evidence". BMC Evolutionary Biology. 7 (1): 224. doi:10.1186/1471-2148-7-224. PMC 2248600. PMID 17999766.
Clemens, W. A. (2017). Procerberus (Cimolestidae, Mammalia) from the Latest Cretaceous and Earliest Paleocene of the Northern Western Interior, USA. PaleoBios, 34, 1-26. https://escholarship.org/uc/item/1dv645n5
Eberle, J. J. (1999). Bridging the transition between didelphodonts and taeniodonts. Journal of Paleontology, 73, 936-944.
Schoch, R. M. 1986. Systematics, functional morphology, and macroevolution of the extinct mammalian order Taeniodonta. Peabody Museum Bulletin, 42:1-307
LILLEGRAVEN, J. A. 1969. Latest Cretaceous mammals of upper part of Edmonton Formation of Alberta, and review of marsupial-placental dichotomy in mammalian evolution. The University of Kansas Paleontological Contributions, 50(Vertebrata 12), 122.
MIDDLETON, M. D. 1983. Early Paleocene vertebrates of the Denver Basin, Colorado. Unpublished Ph.D. dissertation, University of Colorado, Boulder, 404.
Sources
McKenna, MC (1975). "Toward a phylogenetic classification of the Mammalia". In Luckett, WP; Szalay, FS (eds.). Phylogeny of the primates: a multidisciplinary approach (Proceedings of WennerGren Symposium no. 61, Burg Wartenstein, Austria, July 6–14, 1974. New York: Plenum. pp. 21–46. doi:10.1007/978-1-4684-2166-8_2. ISBN 978-1-4684-2168-2.
McKenna, M.C.; Bell, S.K. (1997). Classification of mammals above the species level. New York: Columbia University Press. ISBN 978-0-231-11013-6.
Rose, KD (2006). The beginning of the age of mammals. Baltimore: JHU Press. ISBN 978-0801884726.
Simons, EL; Bown, TM (April 11, 1995). "Ptolemaiida, a new order of Mammalia--with description of the cranium of Ptolemaia grangeri". PNAS. 92 (8): 3269–73. Bibcode:1995PNAS...92.3269S. doi:10.1073/pnas.92.8.3269. PMC 42147. PMID 11607526.
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