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Stegosiren macei

Osteichthyes - Sirenia - Dugongidae

Taxonomy
Stegosiren macei was named by Domning and Beatty (2019). Its type specimen is CCNHM 201, a partial skeleton (partial skull and skeleton), and it is a 3D body fossil. Its type locality is Shadowmoss Golf Course Back 9, which is in a Rupelian coastal sandstone in the Ashley Formation of South Carolina. It is the type species of Stegosiren.

Synonymy list
YearName and author
2019Stegosiren macei Domning and Beatty p. 2 figs. Figs. 2–8; Tabs. 1–3

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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
superorderAfrotheria
Paenungulatomorpha
superorderPaenungulata
Tethytheria
orderSirenia()
familyDugongidae
subfamilyHalitheriinae()
genusStegosiren
speciesmacei

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.

Stegosiren macei Domning and Beatty 2019
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Diagnosis
ReferenceDiagnosis
D. P. Domning and B. L. Beatty 2019‘Halitheriine’ dugongid distinguished from all other sirenians by the following autapomorphies: great breadth of overhanging frontal roof relative to parietal roof; and dorso- ventrally thickened anterior tip of frontal, forming a butt joint with lateral part of nasal process of premaxilla.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinef
Locomotion: actively mobilec
Life habit: aquaticf
Diet: herbivoref
Reproduction: viviparousf
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Domning 1979, Nowak 1991

Age range: Rupelian or 33.90000 to 27.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rupelian33.9 - 27.3USA (South Carolina) Stegosiren macei (type locality: 204942)