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Rivagraptus

Pterobranchia - Graptoloidea

Taxonomy
Rivagraptus is a genus. It is not extant.

It was assigned to Graptoloidea by Sepkoski (2002).

Synonymy list
YearName and author
2002Rivagraptus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
genusRivagraptus

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.

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†Rivagraptus bellulus Törnquist 1890
†Rivagraptus kayi Churkin and Carter 1970
†Rivagraptus supernus Fu and Song 1986
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: "sclero-protein"c
Locomotion: passively mobileo
Life habit: planktonico
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 15:07:12
Modified: 2009-05-19 07:15:15
Source: o = order, c = class
References: Aberhan 1992, Aberhan et al. 2004

Age range: base of the Katian to the top of the Aeronian or 452.80000 to 438.60000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Katian452.8 - 445.2Canada (Nunavut) R. bellulus (235800) R. bellulus, R. kayi (235802)
Rhuddanian443.1 - 440.5China (Guizhou) R. insectiformis (151959)
Rhuddanian - Aeronian443.1 - 438.6Canada (Nunavut) Glyptograptus elegans (901)
Aeronian440.5 - 438.6Canada (Nunavut) R. bellulus (235557) R. kayi (235556)