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Zaedyus

Osteichthyes - Cingulata - Dasypodidae

Taxonomy
Zaedyus was named by Ameghino (1889). It is extant. Its type is Dasypus minutus.

It was assigned to Dasypidae by Ameghino (1889), Rovereto (1914); to Dasypodidae by Carroll (1988); and to Euphractini by McKenna and Bell (1997), Soibelzon et al. (2010).

Species
Z. chapalmalensis, Z. minimus, Z. minutus, Z. pichiy
Species lacking formal opinion data
Z. praecursor

Synonymy list
YearName and author
1889Zaedyus Ameghino p. 867
1914Zaedyus Rovereto p. 208
1988Zaedyus Carroll
1997Zaedyus McKenna and Bell p. 85
2010Zaedyus Soibelzon et al. p. 453

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
orderCingulata()
—Dasypodoidea(Gray 1821)
familyDasypodidae()
subfamilyEuphractinaeWinge 1923
tribeEuphractiniWinge 1923
genusZaedyus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Zaedyus Ameghino 1889
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†Zaedyus chapalmalensis Ameghino 1908
†Zaedyus minimus Ameghino 1881
Zaedyus minutus Desmarest 1822
Zaedyus pichiy Desmarest 1804 [pichi]
Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 813.2 g Mammalia femur diameterGingerich 1990
 946.7 g Mammalia humerus diameterGingerich 1990
 881.8 g Mammalia tibia diameterGingerich 1990
mean: 878.9 g
Measurements
partNmean
femur diameter14.70
humerus diameter14.80
radius diameter13.30
tibia diameter14.50

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: insectivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 18:31:05
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Nowak 1991, Carroll 1988, Ji et al. 2002, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Huayquerian to the top of the Holocene or 8.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 5.0 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Huayquerian8.0 - 5.0Argentina (Entre Rios) Z. sp. (55600)
Huayquerian8.0 - 5.0Argentina (La Pampa) Z. pichiy (151498 151499 151500 152061 152063)
Late/Upper Pliocene3.6 - 2.58Argentina (Buenos Aires) Z. praecursor (213136)
Pleistocene2.58 - 0.0117Argentina (Buenos Aires) Z. pichiy (212469)
Middle Pleistocene0.774 - 0.129Argentina (Buenos Aires) Z. pichiy (63335)
Lujanian0.4 - 0.0117Argentina (Cordoba) Z. pichiy (197918)
Lujanian0.4 - 0.0117Argentina (Buenos Aires) Z. pichiy (71314 140805)
Late/Upper Pleistocene0.129 - 0.0117Argentina (Buenos Aires) Z. pichiy (73845) Z. sp. (71316)
Holocene0.0117 - 0.0Argentina (La Pampa) Z. pichiy (212470)
Holocene0.0117 - 0.0Argentina Z. pichiy (93267)
Holocene0.0117 - 0.0Bolivia Z. pichiy (71324)
Holocene0.0117 - 0.0Argentina (Buenos Aires) Z. pichiy (63338 63342 71349)
Holocene0.0117 - 0.0Bolivia (Chuquisaca) Z. pichiy (70705)