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Pleurocystites mitratus

Rhombifera - Pleurocystitidae

Taxonomy
Pleurocystites mitratus was named by Regnell and Paul (1981). Its type specimen is HME6030a-b and is a 3D body fossil. Its type locality is Craig Head Quarry, 3 miles east of Girvan, Kiln Mudstone Member, which is in a Cheneyan carbonate mudstone in the Craighead Formation of the United Kingdom.

Synonymy list
YearName and author
1981Pleurocystites mitratus Regnell and Paul pp. 52 - 54 figs. 1-4

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
orderRhombiferaZittel 1879
superfamilyGlyptocystitoida(Bather 1899)
familyPleurocystitidaeNeumayr 1889
subfamilyPleurocystitinaeUlrich and Kirk 1911
genusPleurocystites
speciesmitratus

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.

Pleurocystites mitratus Regnell and Paul 1981
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Diagnosis
ReferenceDiagnosis
G. Regnell and C.R.C. Paul 1981A species of Pleurocystites with three pectinirhombs, symmetrical theca with a pair of aboral thecal lobes; periproct almost perfectly bilaterally symmetrical, without a rectal lobe, periproctals small, each ornamented with a small central pit. Ornament of the antanal surface consists of strong radiating ridges and weaker concentricgrowth striae. The periproct border is ornamented with weak ridges and rows of granules parallel to the margin of the periproct. External flanges of the proximal stem ossicles are rounded and smooth.
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryo
Attached: yeso
Life habit: intermediate-level epifaunalo
Diet: suspension feedero
Vision: blindo
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 11:36:13
Modified: 2010-02-15 06:45:28
Source: o = order, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

Age range: Cheneyan or 452.50000 to 451.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Cheneyan452.5 - 451.3United Kingdom (Scotland) Pleurocystites mitratus (type locality: 169254)