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Praepleurocystis watkinsi

Rhombifera - Pleurocystitidae

Taxonomy
Pleurocystites watkinsi was named by Strimple (1948). Its type specimen is USNM 4640 and is a 3D body fossil. Its type locality is Bromide Formation, Rock Crossing, Criner Hills, Carter County, Oklahoma, which is in the Blackriveran of horizon the Bromide Formation Oklahoma.

It was recombined as Praepleurocystis watkinsi by Paul (1967) and Parsley (1982).

Synonyms
Synonymy list
YearName and author
1948Pleurocystites watkinsi Strimple pp. 761- 764 figs. pl. a, fig. 1-3
1967Praepleurocystis watkinsi Paul p. 120
1974Praepleurocystis nodosus Westphal pp. 80- 81 figs. pl. 1, fig. 8-11, text-fig. 2, 3
1982Praepleurocystis watkinsi Parsley pp. 275 - 279 figs. Plate 34, figures 1, 5, 7, 9-11, 13-19; Figures 67, 68

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
orderRhombiferaZittel 1879
superfamilyGlyptocystitoida(Bather 1899)
familyPleurocystitidaeNeumayr 1889
subfamilyPleurocystitinaeUlrich and Kirk 1911
genusPraepleurocystisPaul 1967
specieswatkinsi()

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.

Praepleurocystis watkinsi Strimple 1948
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Invalid names: Praepleurocystis nodosus Westphal 1974 [synonym]
Diagnosis
ReferenceDiagnosis
R. H. Parsley 1982Theca nearly bilaterally symmetrical in outline; anal surface with broad "marginal" plates; periproctal area reduced; rectal lobe only slightly extended; plate 06 present; IL1 and IL3 transversely attaining periproctal margin; dorsal surface markedly convex, with 3 oval, elevated, disjunct pectinirhombs with confluent dichopores.