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Beloptera

Cephalopoda - Spirulida - Belopteridae

Taxonomy
Beloptera was named by de Blainville (1827) [Sepkoski's age data: T Than T Ol-l Sepkoski's reference number: 307]. It is not extant.

It was assigned to Belopterinae by Kretzoi (1942); to Belopteridae by Jeletzky (1966); to Sepiida by Sepkoski (2002); and to Belopteriidae by Dernov (2024).

Species
B. broilii, B. longa
Species lacking formal opinion data
B. belemnoidea

Synonymy list
YearName and author
1827Beloptera de Blainville
1942Beloptera Kretzoi p. 134
1966Beloptera Jeletzky p. 107
2002Beloptera Sepkoski
2024Beloptera Dernov p. 4

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassColeoideaBather 1888
—Neocoleoidea
superorderDecabrachiaHaeckel 1866
orderSpirulidaStolley 1919
familyBelopteridaeNaef 1922
genusBelopterade Blainville 1827

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. †Beloptera de Blainville 1827
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†Beloptera broilii Traub 1938
†Beloptera longa Naef 1922
Diagnosis
ReferenceDiagnosis
V. Dernov 2024Chamber length-to-diameter ratio <0.2, except earliest (postembryonic–juvenile) chambers; post- alveolar sheath oriented towards venter, length of club variable, lateral extensions well developed, winglike, oriented towards venter, ventral ridge moderately developed (after Fuchs, 2023: p. 8–9).
Measurements
No measurements are available
Composition: aragonitec
Environment: marinec
Locomotion: fast-movingc
Life habit: nektonicc
Diet: carnivorec
Vision: well-developedc
Created: 2004-02-28 11:51:48
Modified: 2023-08-18 17:28:37
Source: c = class
Reference: Kiessling 2004

Age range: base of the Danian to the top of the Priabonian or 66.00000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.66Netherlands B. sp. (123971)
Paleocene66.0 - 56.0Austria (Salzburg) B. broilii (84335)
Lutetian48.07 - 41.03United Kingdom (England) B. belemnoidea (8124)
Priabonian37.71 - 33.9Ukraine B. longa (47060)