Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Florentinoameghinia mystica

Mammalia

Taxonomy
Florentinoameghinia mystica was named by Simpson (1932). Its type specimen is AMNH 28402, a set of teeth (P4-M1/), and it is a 3D body fossil. Its type locality is Oficina del Diablo, which is in a Casamayoran terrestrial horizon in the Casamayor Formation of Argentina. It is the type species of Florentinoameghinia.

It was considered a nomen dubium by Domning (2001).

Synonymy list
YearName and author
1932Florentinoameghinia mystica Simpson p. 18
1967Florentinoameghinia mystica Simpson
1982Florentinoameghinia mystica Sereno p. 3

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
genusFlorentinoameghinia
speciesmystica

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.

show all | hide all
Diagnosis
ReferenceDiagnosis
G. G. Simpson 1932ole known species of the
genus. ?MlmeasureslOmm.inbothdimensions. The remains surely belonging to this indi- vidual were scattered through about a cubic
decimeter of matrix, which also contained the caniniformtoothmentionedabove. Inaddition toseveral skull fragments showing litle dis- tinctive character and without certain mutual contacts, itwas possible to piece together two sectionsoftherightmaxila,onecontainingtwo teth,theotherone. Thesetwofragmentsdo not indubitably contact, but were apparently contiguous either immediately or with one intermediate tooth.
The most anterior of the three preserved teethwasprecededbyadiastema. Nearlyfive
millimetersofthedentalborderarepreserved,
andthereisnoalveolus.Thetoothistriangular
andnearlyequidimensional,about10mm.long
andwide.Theprotoconeisofthecommon
crescentictype,andthereisnohypocone. The
metaconeissubconical,crestedantero-and
posteroexternally. The paracoite is broken away,butfromitsemplacementwasaboutequal
tothemetacone. Theprotoconuleisofmoderatesizeandimperfectlyseparated fromtheprotocone. Themetaconuleisnotpreserved,andmayhavebeensmaller. This tooth is probably either PI or P4.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, uc = unranked clade
References: Hopson 1973, Luo et al. 2003, Hendy et al. 2009, Carroll 1988

Age range: base of the Casamayoran to the top of the Lutetian or 56.00000 to 41.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Casamayoran56.0 - 48.0Argentina (Chubut) Florentinoameghinia mystica (type locality: 48176)
Lutetian47.8 - 41.3Argentina (Chubut) Florentinoameghinia mystica (44956)