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Isurolamna

Chondrichthyes - Lamniformes - Lamnidae

Taxonomy
Isurolamna was named by Cappetta (1976) [Sepkoski's age data: T Than T Eo-m-l Sepkoski's reference number: 746,884,958].

It was assigned to Lamniformes by Sepkoski (2002); and to Lamnidae by Popov et al. (2025).

Species
I. bajarunasi, I. gracilis (syn. Otodus rupeliensis), I. inflata (syn. Odontaspis hopei affinis)
Species lacking formal opinion data
I. menneri
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2026-01-20

Synonymy list
YearName and author
1976Isurolamna Cappetta p. 555
2002Isurolamna Sepkoski
2025Isurolamna Popov et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
infraclassElasmobranchii(Bonaparte 1838)
—Euselachii()
—NeoselachiiCompagno 1977
superorderGaleomorphiiCompagno 1973
orderLamniformesBerg 1958
familyLamnidaeMüller and Henle 1838
genusIsurolamna

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. †Isurolamna Cappetta 1976
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†Isurolamna bajarunasi Glickman and Zhelezko 1985
†Isurolamna gracilis Le Hon 1871
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Invalid names: Otodus rupeliensis Le Hon 1871 [synonym]
†Isurolamna inflata Leriche 1905
Invalid names: Odontaspis hopei affinis Casier 1946 [synonym]
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, Wagner 2023, Hendy et al. 2009

Age range: base of the Danian to the top of the Burdigalian or 66.00000 to 15.98000 Ma

Collections (67 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.66Sweden I. sp. (90575)
Selandian61.66 - 59.24Morocco I. sp. (133217)
Thanetian59.24 - 56.0France (Oise) I. inflata (277627)
Thanetian59.24 - 56.0Togo I. sp. (61561)
Thanetian59.24 - 56.0Nigeria I. sp. (277314)
Thanetian59.24 - 56.0France I. inflata (149624 276442 276444 276445 276446 277713 277714)
Thanetian - Ypresian59.24 - 48.07France (Oise) I. inflata (68175 277626)
Ypresian56.0 - 48.07Russian Federation (Saratov) I. inflata (235736)
Ypresian56.0 - 48.07Belgium I. affinis (276601 276602) Lamna inflata (277870)
Ypresian56.0 - 48.07United Kingdom (England) I. affinis (76601 204217) Lamna inflata, I. affinis (3260)
Ypresian - Lutetian56.0 - 41.03Denmark I. affinis (180458)
Lutetian48.07 - 41.03France I. affinis (61215 74858 277212 277214)
Lutetian48.07 - 41.03Ukraine (Luhansk) I. bajarunasi (120885)
Lutetian48.07 - 41.03USA (Alabama) I. inflata (13346)
Lutetian48.07 - 41.03Belgium I. affinis (77613 242330 242331)
Lutetian48.07 - 41.03United Kingdom (England) I. affinis (41989 41992 41994 41996 41998)
Lutetian48.07 - 41.03Ukraine I. bajarunasi (211009)
Lutetian48.07 - 41.03Russian Federation I. bajarunasi (234684 234686 234687)
Middle Eocene48.07 - 37.71Ukraine I. bajarunasi (113113)
Middle Eocene48.07 - 37.71Ukraine (Crimea) I. bajarunasi (140018)
Bartonian41.03 - 37.71France I. affinis (161753 277204 277206 277209 277210)
Bartonian41.03 - 37.71Kazakhstan I. bajarunasi (277570) I. menneri (277574)
Bartonian41.03 - 37.71Russian Federation (Krasnodar) I. bajarunasi (187028)
Priabonian37.71 - 33.9Russian Federation I. bajarunasi (149625 149626)
Rupelian33.9 - 27.3France Rhizoquadrangulus rupeliensis (69805)
Rupelian33.9 - 27.3Germany (Baden-Württemberg) I. gracilis (68021)
Rupelian33.9 - 27.3Belgium Lamna rupeliensis (277430 277891) Rhizoquadrangulus rupeliensis (276448)
Rupelian33.9 - 27.3Belgium (Antwerpen) Lamna rupeliensis (52047)
Rupelian33.9 - 27.3Czechia I. gracilis (276544)
Rupelian33.9 - 27.3Netherlands (Winterswijik) Lamna rupeliensis (87248)
Rupelian33.9 - 27.3Hungary Lamna rupeliensis (124377)
Rupelian33.9 - 27.3Netherlands Lamna rupeliensis (87249 87250)
Rupelian33.9 - 27.3Romania Lamna rupeliensis (187379)
Chattian27.3 - 23.04Germany I. gracilis (46101)
Chattian27.3 - 23.04Germany (Hessen) I. gracilis (90530)
Burdigalian20.45 - 15.98Austria (Plesching bei Linz) Lamna rupeliensis (159375)