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Cravenoceras (Richardsonites)

Cephalopoda - Goniatitida - Cravenoceratidae

Taxonomy
Cravenoceras (Richardsonites) was named by Elias (1956) [Sepkoski's age data: C Serp-l Sepkoski's reference number: 302,304]. Its type is Gastrioceras richardsonianum.

It was reranked as Richardsonites by Titus (2000), Sepkoski (2002), Korn (2006) and Furnish et al. (2009).

It was assigned to Cravenoceras by Elias (1956); to Goniatitida by Sepkoski (2002); to Glaphyritidae by Korn (2006); and to Glaphyritinae by Titus (2000) and Furnish et al. (2009).

Synonymy list
YearName and author
1956Cravenoceras (Richardsonites) Elias p. 128
2000Richardsonites Titus p. 32
2002Richardsonites Sepkoski
2006Richardsonites Korn
2009Richardsonites Furnish et al. p. 80

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyNeoglyphioceratoidea(Plummer and Scott 1937)
familyCravenoceratidaeRuzhencev 1957
subfamilyCravenoceratinaeRuzhencev 1957
genusCravenocerasBisat 1928
subgenusRichardsonitesElias 1956

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.

Subg. †Cravenoceras (Richardsonites) Elias 1956
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Diagnosis
ReferenceDiagnosis
A. L. Titus 2000Glaphyritids with short ophioconic (3rd or 4th
whorl) and cadiconic phases (D < 15 mm) and adults (D > 30 mm) with U/D ratios of 0.4 or less and a wide ventral lobe (one-third to twice as wide as first lateral lobe or saddle) with swollen, bluntly pointed prongs.
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:36:55
Modified: 2005-10-06 16:36:08
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004
Collections
No collection or age range data are available