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Demospongiae - Protomonaxonida - Piraniidae

Pirania was named by Walcott (1920) [Sepkoski's age data: Cm mMid-l Cm mMid-u Sepkoski's reference number: 883]. It is not extant. Its type is Pirania muricata. It is the type genus of Piraniidae.

It was assigned to Hadromerida by Sepkoski (2002); to Piraniidae by Finks et al. (2004) and Botting (2007); and to Demospongia by Bambach et al. (2007).


Synonymy list
YearName and author
1920Pirania Walcott
2002Pirania Sepkoski
2004Pirania Finks et al. p. 21
2007Pirania Bambach et al. p. S80
2007Pirania Botting

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phylumPoriferaGrant 1836
classDemospongiae(Sollas 1875)
subclassClavaxinellidaLevi 1956
familyPiraniidaeLaubenfels 1955
genusPiraniaWalcott 1920

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. †Pirania Walcott 1920
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Pirania auraeum Botting 2007
Pirania llanfawrensis Botting 2004
Pirania muricata Walcott 1920
No diagnoses are available
No measurements are available
Composition: silicac
Locomotion: stationaryg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Comments: Epifaunal suspension feeder (Caron & Jackson, 2008); erect, non-motile attached, supension (Bambach et al., 2007).g
Created: 2009-03-07 18:15:54
Modified: 2009-03-08 19:53:58
Source: g = genus, c = class
References: Caron and Jackson 2008, Kiessling 2004, Whittington et al. 1997

Age range: base of the Delamaran to the top of the Sandbian or 513.00000 to 453.00000 Ma

Collections (21 total)

Time interval Ma Country or state Original ID and collection number
Delamaran513.0 - 505.0Canada (British Columbia) P. muricata (84424 84425 84426 84427 84428 121956 121957 121958 121959 121960 121961 121962 121965)
Menevian513.0 - 501.0USA (Utah) P. sp. (230681)
Middle Cambrian513.0 - 501.0Canada (Brithish Columbia) P. sp. (188664)
St Davids513.0 - 501.0Canada (British Columbia) P. muricata (122094) P. sp. (122017)
Tremadocian485.4 - 477.7Morocco P. auraeum (96112)
Floian - Dapingian477.7 - 467.3Morocco P. auraeum (120549)
Llandeilo466.0 - 449.5United Kingdom (Wales) P. sp. (216511)
Sandbian458.4 - 453.0United Kingdom (Wales) P. llanfawrensis (120626)