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

Phenacodus intermedius

Mammalia - Phenacodontidae

Taxonomy
Phenacodus intermedius was named by Granger (1915).

It was synonymized subjectively with Phenacodus primaeous by Simpson (1937), Guthrie (1971) and West (1976).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1915Phenacodus intermedius Granger
1979Phenacodus intermedius Bown
2012Phenacodus intermedius Rose et al.

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
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Panperissodactyla
Phenacodonta
familyPhenacodontidaeCope 1881
genusPhenacodus
speciesintermedius

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.

Phenacodus intermedius Granger 1915
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:04:22
Modified: 2011-04-24 18:24:26
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Archibald 1998, Ji et al. 2002, Hendy et al. 2009

Age range: base of the Lostcabinian to the top of the Clarkforkian or 55.80000 to 54.90000 Ma

Collections (204 total)


Time interval Ma Country or state Original ID and collection number
Tiffanian - Clarkforkian61.7 - 54.9USA (Wyoming) Phenacodus primaevus (15211)
Cf256.2 - 54.9USA (Wyoming) Phenacodus intermedius (46651)
Clarkforkian56.2 - 54.9USA (Wyoming) Phenacodus intermedius (15072 15177 15213 15214 154182 164513 164518 190415 190431 190434 190451 190453 190455) Phenacodus primaevus (15075 15084 15085 15087 15091 15094 15095 15096 15097 15098 15099 15101 15102 15103 15104 15105 15106 15107 15108 15109 15110 15111 15112 15114 15115 15119 15120 15121 15123 15126 15127 15131 15132 15133 15135 15137 15138 15139 15140 15141 15142 15144 15146 15147 15148 15149 15150 15151 15152 15154 15155 15156 15159 15160 15161 15162 15163 15164 15171 15172 15173 15174 15176 15178 15180 15181 15182 15183 15184 15185 15186 15187 15188 15189 15190 15191 15192 15193 15196 15197 15198 15199 15200 15201 15203 15204 15205 15206 15207 15212)
Clarkforkian56.2 - 54.9USA (Montana) Phenacodus primaevus (15079)
Lostcabinian55.8 - 50.3USA (Wyoming) Phenacodus intermedius (15997 16005)
Wasatchian55.8 - 50.3USA (Wyoming) Phenacodus intermedius (15505 15507 15509 15510 15511 15512 15514 15516 15517 15520 15566 15590 15592 15683 15687 15694 15695 15697 15698 15699 15702 15704 15705 15707 46640 46641 46643 46644 46645 46650 46664 46669 46671 46672 46673 46674 46675 46680 46682 46683 46687 46688 46689 46693 46719 46721 46724 46730 46731 46732 46733 46736 46738 46739 46761 46763 46767 46770 46771 46772 46776 46780 46782 46788 46789 46791 46792 46794 46797 46804 46805 46807 46808 46809 46812 46814 46816 46817 46818 46819 46837 46838 46839) Phenacodus primaevus (15474 15852)
Wasatchian55.8 - 50.3USA (Colorado) Phenacodus intermedius (15450 15646 15845 15887)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Phenacodus intermedius (154251 154255 154257 154262 154264 154277) Phenacodus sp. (15679)