Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Pyrgocystis

Edrioasteroidea - Pyrgocystidae

Taxonomy
Pyrgocystis was named by Bather (1915). It is not extant. Its type is Pyrgocystis sardesoni. It is the type genus of Pyrgocystidae.

It was assigned to Hemicystitidae by Regnéll (1945) and Regnéll (1966); to Isorophida by Sepkoski (2002); and to Pyrgocystidae by Sumrall and Zamora (2011).

Species
P. cylindrica, P. procera, P. sardesoni (type species), P. sulcata, P. varia
Species lacking formal opinion data
P. octogona

Synonymy list
YearName and author
1915Pyrgocystis Bather
1945Pyrgocystis Regnéll
1966Pyrgocystis Regnéll
2002Pyrgocystis Sepkoski
2011Pyrgocystis Sumrall and Zamora p. 435

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
familyPyrgocystidaeKesling 1967
genusPyrgocystisBather 1915

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. †Pyrgocystis Bather 1915
show all | hide all
†Pyrgocystis cylindrica Aurivillius 1892
†Pyrgocystis procera Aurivillius 1892
†Pyrgocystis sardesoni Bather 1915
†Pyrgocystis sulcata Aurivillius 1892
†Pyrgocystis varia Aurivillius 1892
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryc
Attached: yesc
Epibiont: yesc
Life habit: low-level epifaunalc
Diet: suspension feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 10:42:45
Modified: 2010-02-16 01:51:32
Source: c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: base of the Blackriveran to the top of the Early/Lower Emsian or 457.30000 to 402.50000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Blackriveran457.3 - 449.6USA (Illinois, Iowa) P. sardesoni (23449)
Blackriveran457.3 - 449.6USA (Oklahoma) P. sp. (24101 24102 24103) P. sp. A, P. sp. B (195568) P. sp. B (73277)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) P. sardesoni (23460 23465)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) P. sardesoni (23402)
Shermanian457.3 - 449.6USA (Iowa, Illinois) P. sardesoni (23469)
Shermanian457.3 - 449.6USA (Minnesota) P. sardesoni (23403)
Shermanian457.3 - 449.6USA (Illinois, Iowa) P. sardesoni (23470)
Richmondian449.6 - 445.5USA (Iowa) P. sp. (13204)
Richmondian449.6 - 445.5USA (Illinois) P. sp. (382 26684)
Gamachian - Rhuddanian449.5 - 440.8USA (Illinois) P. sp. (26685)
Rawtheyan448.8 - 445.2United Kingdom (Scotland) P. grayae (73134)
Rhuddanian - Aeronian443.4 - 438.5USA (Iowa) P. sp. (26691 26860)
Sheinwoodian433.4 - 430.5Sweden (Gotland) P. cylindrica (3977)
Wenlock433.4 - 427.4Canada (Ontario) P. sp. (26855)
Homerian430.5 - 427.4Sweden P. varia (162434)
Homerian430.5 - 427.4Sweden (Gotland) P. sulcata, P. varia (162433)
Pridoli423.0 - 419.2USA (New York) P. batheri (491)
Early/Lower Emsian409.1 - 402.5Morocco P. octogona (150334)
Early/Lower Emsian409.1 - 402.5Germany P. coronaeformis, P. octogona (26904)