PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Cyclurus

Actinopteri - Amiiformes - Amiidae

Taxonomy

Cyclurus was named by Agassiz (1839). Its type is Cyclurus valenciennesii.

It was assigned to Amiinae by Grande and Bemis (1998) and Hoganson et al. (2019).

Species

Amia chinzhalensis, Amia russelli, C. efremovi, C. fragosus, C. gurleyi, C. ignotus (syn. Amia munieri, Amia laticaudata), C. kehreri, C. macrocephalus, C. minor, C. oligocenicus (syn. Notaeus longirostratus), C. valenciennesi, Stylomyleodon lacus

Synonyms

Paramiatus was named by Romer and Fryxell (1928). Its type is Paramiatus gurleyi.

It was synonymized subjectively with Cyclurus by Grande and Bemis (1998).
Paramia was named by Boreske (1974).

It was synonymized objectively with Paramiatus by Grande and Bemis (1998).
Stylomyleodon lacus was named by Russell (1928). Its type specimen is UAVP 131, a partial skull, and it is a 3D body fossil.

It was synonymized subjectively with Kindleia fragosa by Estes (1964); it was considered a nomen dubium by Grande and Bemis (1998).
Amia chinzhalensis was named by Sytchevskaya (1986). Its type specimen is PIN N 3347/3001, a partial skull, and it is a 3D body fossil.

It was considered a nomen dubium by Grande and Bemis (1998).
Amia russelli was named by Janot (1966). Its type specimen is MNHN CRP1731, 1836, 1568, a partial skull, and it is a 3D body fossil.

It was considered a nomen dubium by Grande and Bemis (1998).
Kindleia was named by Jordan (1927).

It was synonymized subjectively with Cyclurus by Grande and Bemis (1998).

It was assigned to Amiidae by Estes (1964), Bryant (1989) and Pearson et al. (2002).
Stylomyleodon was named by Russell (1928).

It was synonymized subjectively with Cyclurus by Grande and Bemis (1998).

It was assigned to Amiidae by Russell (1967).

Synonymy list

Year	Name and author
1839	Cyclurus Agassiz p. 43
1927	Kindleia Jordan p. 145
1928	Paramiatus Romer and Fryxell
1928	Stylomyleodon Russell
1928	Stylomyleodon lacus Russell
1964	Kindleia Estes p. 29
1966	Amia russelli Janot
1967	Stylomyleodon Russell p. 8
1974	Paramia Boreske
1986	Amia chinzhalensis Sytchevskaya
1989	Kindleia Bryant p. 22
1998	Cyclurus Grande and Bemis p. 31
2002	Kindleia Pearson et al. p. 154
2019	Cyclurus Hoganson et al. p. 49

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()

Rank	Name	Author
superclass	Actinopterygii	()
class	Actinopteri	()
subclass	Neopterygii	(Regan 1923)
infraclass	Holostei	(Müller 1846)
order	Amiiformes	Hay 1929
family	Amiidae
subfamily	Amiinae	Bonaparte 1837
genus	Cyclurus

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. †Cyclurus Agassiz 1839

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†Cyclurus efremovi Sytchevskaya 1981

†Cyclurus fragosus Jordan 1927

†Cyclurus gurleyi Russell and Fryxell 1928

†Cyclurus ignotus Blainville 1818

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Invalid names: Amia laticaudata Agassiz 1843 [synonym], Amia munieri Priem 1911 [synonym]

†Cyclurus kehreri Andreae 1893

†Cyclurus macrocephalus Reuss 1844

†Cyclurus minor Agassiz 1839

†Cyclurus oligocenicus Winkler 1880

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Invalid names: Notaeus longirostratus Winkler 1880 [synonym]

†Cyclurus valenciennesi Agassiz 1839

Invalid names: Amia chinzhalensis Sytchevskaya 1986 [nomen dubium], Amia russelli Janot 1966 [nomen dubium], Kindleia Jordan 1927 [synonym], Paramiatus Romer and Fryxell 1928 [synonym], Stylomyleodon Russell 1928 [synonym], Stylomyleodon lacus Russell 1928 [nomen dubium]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

freshwatersubf

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Diet 2:

piscivoreo

Created:

2017-04-17 10:30:52

Modified:

2017-04-17 10:30:52

Source: subf = subfamily, o = order, subp = subphylum

References: Carroll 1988, Hendy et al. 2009, Bush and Bambach 2015

Age range: base of the Late/Upper Cenomanian to the top of the Lutetian or 99.60000 to 41.30000 Ma

Collections (128 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Cenomanian	99.6 - 93.5	Canada (Nunavut)	C. sp. (45559)
Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	Kindleia sp. (22695 22696 22697 22698 45238 45260 45261 45262 45264 47784 47793 47807 47811 47812 47814 47816)
Middle Campanian	83.5 - 70.6	Canada (Alberta)	Kindleia sp. (45240 47794 47795 47809)
Middle Campanian - Late/Upper Campanian	83.5 - 70.6	USA (Montana)	Kindleia sp. (14490)
Middle Campanian - Late/Upper Campanian	83.5 - 70.6	Canada (Alberta)	C. sp. (167986)
Maastrichtian	72.1 - 66.0	USA (South Dakota)	Kindleia fragosa (45391)
Maastrichtian	72.1 - 66.0	USA (North Dakota)	Kindleia fragosa (45135 45312 45313 45380)
Early/Lower Maastrichtian	70.6 - 66.0	Canada (Alberta)	C. sp. (55363 135739 135740 135741 135743)
Edmontonian	70.6 - 66.0	Canada (Alberta)	Stylomyleodon sp. (71487)
Lancian	70.6 - 66.0	USA (Wyoming)	C. fragosa (14540 14541 14542 14543 14544 70340 70341 70343 75280 75284 75287 75289 75292 75294 75296 75297 75429 75431 75432 75435 75442 75443 75447) Kindleia fragosa (14519 14527 14538 14566 14567 14596 14609 14643)
Lancian	70.6 - 66.0	Canada (Saskatchewan)	Kindleia fragosa (14655)
Lancian	70.6 - 66.0	USA (North Dakota)	C. sp. (137707 137712 137715 137724) Kindleia fragosa (14610 14620 14621)
Lancian	70.6 - 66.0	USA (Montana)	Kindleia fragosa (14568)
Late/Upper Maastrichtian	70.6 - 66.0	USA (Wyoming)	Kindleia fragosa (14585 57168)
Late/Upper Maastrichtian	70.6 - 66.0	USA (South Dakota)	Kindleia fragosa (45389 45390 47034 224484)
Late/Upper Maastrichtian	70.6 - 66.0	USA (North Dakota)	C. fragosus (213589) C. sp. (137720) Kindleia fragosa (45098 45099 45102 45109 45110 45111 45112 45114 45117 45118 45119 45120 45122 45124 45128 45130 45134 45136 45137 45143 45144 45145 45299 45309 45381 45382)
Late/Upper Maastrichtian	70.6 - 66.0	Canada (Alberta)	Kindleia fragosa (14569) Stylomyleodon sp. (46088)
Puercan	66.0 - 63.3	USA (Montana)	Kindleia fragosa (14766)
Puercan	66.0 - 63.3	USA (Wyoming)	C. fragosa (14708 14712 14713 14729 14730 14796 14797)
Tiffanian	61.7 - 56.8	Canada (Alberta)	Stylomyleodon sp. (14995)
Thanetian	59.2 - 56.0	Romania	C. sp. (83307)
Ypresian	56.0 - 47.8	France (Oise)	C. sp. (68174)
MP 11	48.6 - 40.4	Germany (Hessen)	Amia kehreri (22701)
Lutetian	47.8 - 41.3	Germany (Sachsen-Anhalt)	Amia kehreri (13322 45002 45765 45766 45769)
Uintan	46.2 - 39.7	USA (Utah)	C. gurlryi (222799)