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

Isurus planus

Chondrichthyes - Lamniformes - Lamnidae

Taxonomy
Oxyrhina plana was named by Agassiz (1856).

It was recombined as Isurus planus by Hay (1902), Jordan (1907), Jordan (1922) and Kuga (1985); it was synonymized subjectively with Isurus hastalis by Jordan and Hanibal (1923); it was recombined as Cosmopolitodus planus by Malyshkina et al. (2024).

Sister species lacking formal opinion data
I. praeccursor, I. precursor, I. glaucus

Synonymy list
YearName and author
1856Oxyrhina plana Agassiz p. 275
1902Isurus planus Hay p. 307
1907Isurus planus Jordan p. 107 fig. 9
1922Isurus planus Jordan p. 342
1985Isurus planus Kuga p. 9
2024Cosmopolitodus planus Malyshkina et al. p. 74 figs. Fig. 2

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
—NeoselachiiCompagno 1977
superorderGaleomorphiiCompagno 1973
orderLamniformesBerg 1958
familyLamnidaeMüller and Henle 1838
genusIsurusRafinesque 1810
speciesplanus(Agassiz 1856)

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.

†Isurus planus Agassiz 1856
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:05:21
Modified: 2009-07-21 09:05:21
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Wagner 2023

Age range: base of the Chattian to the top of the Early/Lower Pliocene or 28.10000 to 3.60000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Chattian28.1 - 23.03Australia (Victoria) Isurus planus (48647)
Early/Lower Miocene23.03 - 15.97Russian Federation Cosmopolitodus planus (234677)
Early/Lower Miocene - Middle Miocene23.03 - 11.608Australia (Victoria) Isurus planus (51330)
Miocene23.03 - 5.333Japan (Hiroshima) Isurus planus (161447)
Langhian15.97 - 13.82Australia (Victoria) Isurus planus (46165)
Langhian15.97 - 13.82Mexico (Baja California) Isurus planus (52183)
Langhian15.97 - 13.82USA (California) Isurus planus (19595 59059)
Langhian15.97 - 13.82Japan Isurus planus (190767)
Langhian - Serravallian15.97 - 11.62USA (California) Isurus planus (46069)
Middle Miocene15.97 - 11.608Japan (Ishikawa) Isurus planus (204343)
Middle Miocene15.97 - 11.608Japan (Hokuriku) Isurus planus (161491 161492 161494 161495 161496)
Serravallian13.82 - 11.62Japan (Hokuriku) Isurus planus (161489 161497 161500 161501)
Tortonian11.62 - 7.246USA (California) Isurus planus (46070 168017)
Late/Upper Miocene11.608 - 5.333USA (California) Isurus planus (162458)
Late/Upper Miocene11.608 - 5.333Japan (Shimane) Isurus planus (204342)
Early/Lower Pliocene5.333 - 3.6USA (Oregon) Isurus planus (71147)
Zanclean5.333 - 3.6Mexico (Baja California) Isurus planus (154115)