Parastachyocrinus inflatus Wanner, 1949

Ausich, William I., Križnar, Matija, Paszcza, Karolina, Hoşgör, İzzet, Płachno, Bartosz J. & Salamon, Mariusz A., 2024, Early Permian crinoids from Laurasia and their paleogeographic implications, Acta Palaeontologica Polonica 69 (3), pp. 447-466 : 455-456

publication ID

https://doi.org/10.4202/app.01159.2024

persistent identifier

https://treatment.plazi.org/id/03FAB824-FC22-FF9D-FC8D-FA77FC1EFACF

treatment provided by

Felipe

scientific name

Parastachyocrinus inflatus Wanner, 1949
status

 

Parastachyocrinus inflatus Wanner, 1949

1949 Parastachyocrinus inflatus sp. nov.; Wanner 1949: 42, pl. 3: 20–21. 1973 Parastachyocrinus inflatus Wanner, 1949 ; Webster 1973: 195. 2014 Parastachyocrinus inflatus Wanner, 1949 ; Webster and Webster

2014: 2014.

Holotype: RGM.892856, illustrated by Wanner (1949: pl. 3: 20–21).

Type locality: Basleo, West Timor.

Type horizon: Permian (stage uncertain).

Emended diagnosis. —Aboral cup symmetrical, aboral cup shape very low bowl, pentalobate aboral cup shape in basal view, smooth aboral cup plate sculpturing, aboral cup plate sutures very strongly impressed, basal concavity present, infrabasal plates confined to basal concavity, infrabasal plates not visible in lateral view, basal plates very strongly convex, spines or nodes not on basal plates, radial plates very strongly convex, spines or nodes not on basal plates.

Stratigraphic and geographic range. —Unknown series of Permian, Timor.

Parastachyocrinus obliquus ( Wanner, 1916)

1916 Erisocrinus obliquus sp. nov. “Exemplar a”; Wanner 1916: 225, pl. 103(8): 10a–c.

1924 Erisocrinus obliquus Wanner, 1916 “Exemplar b”; Wanner 1924: 288, pl. 18: 20; text-fig. 56.

1924 Erisocrinus obliquus Wanner, 1916 “Exemplar c”; Wanner 1924: 288, pl. 18: 18–19.

1924 Erisocrinus obliquus Wanner, 1916 “Exemplar d”; Wanner 1924: 288, pl. 18: 17.

1924 Erisocrinus obliquus Wanner, 1916 “Exemplar e”; Wanner 1924: 288, pl. 18: 20, 21.

1943 Erisocrinus obliquus Wanner, 1916 ; Bassler and Moodey 1943: 459.

1948 Erisocrinus obliquus Wanner, 1916 ; Branson 1948: 192.

1949 Parastachyocrinus obliquus ( Wanner, 1916) ; Wanner 1949: 42.

1964 Erisocrinus obliquus Wanner, 1916 ; Sant in Sant and Lane: 1964: 65, fig. 23.1

1973 Parastachyocrinus obliquus ( Wanner, 1916) ; Webster 1973: 195.

2014 Parastachyocrinus obliquus ( Wanner, 1916) ; Webster and Webster 2014: 2014–2015.

Holotype: RGM.873661, illustrated by Wanner (1916: pl. 103(8):

10a–c).

Type locality: Basleo, West Timor.

Type horizon: Permian (uncertain series).

Emended diagnosis. —Aboral cup asymmetrical; aboral cup shape low cone, very low bowl, low bowl, or low urn; subpentagonal aboral cup shape in basal view (as known); smooth aboral cup plate sculpturing; aboral cup plate sutures slightly or moderately impressed or not impressed; basal concavity present or absent(?); infrabasal plates not confined to basal concavity; infrabasal plates visible in lateral view; basal plates slightly to moderately convex; spines or nodes not on basal plates; radial plates slightly to moderately convex; spines or nodes not on basal plates.

Stratigraphic and geographic range. —Unknown series of Permian, Timor.

Parastachyocrinus ornatus Wanner, 1949

1949 Parastachyocrinus malaianus var. ornata var. nov.; Wanner 1949: 45, pl. 3: 18–19.

1973 Parastachyocrinus malaianus var. ornata Wanner, 1949 ; Webster 1973: 195.

2014 Parastachyocrinus malaianus ornatus (nomen correctum) ( Wanner, 1949); Webster and Webster 2014: 2014.

Holotype: Holotype not located, well preserved aboral cup illustrated by Wanner (1949: pl. 3: 18–19).

Type locality: Timor.

Type horizon: unknown series of Permian.

Emended diagnosis. —Aboral cup symmetrical, aboral cup shape low bowl, subcircular aboral cup shape in basal view, granulose? aboral cup plate sculpturing, aboral cup plate sutures slightly impressed, basal concavity present, infrabasal plates not confined to basal concavity, infrabasal plates not visible in lateral view, basal plates moderately convex, spines or nodes not on basal plates, radial plates moderately convex, spines or nodes not on basal plates.

Remarks. —The subspecies Parastachyocrinus malaianus ornatus ( Wanner, 1949) is elevated herein to species rank Parastachyocrinus ornatus .

Stratigraphic and geographic range. —Unknown series of Permian, Timor.

Parastachyocrinus wanneri sp. nov.

1949 Parastachyocrinus malaianus Wanner, 1924 , “Exemplar c”; Wanner 1949: pl. 3: 10–11.

1949 Parastachyocrinus malaianus , “Exemplar d”; Wanner 1949: pl. 3: 12.

1949 Parastachyocrinus malaianus , “Exemplar e”; Wanner 1949: pl. 3: 13.

ZooBank LSID: urn:lsid:zoobank.org:act:95B7DCDE-897F-427E-AE7A-09C679348E62 .

Etymology: In recognition of Johannes Wanner (1878–1959), whose extensive work on Permian crinoids of Timor has been instrumental in our understanding of crinoids from the late Paleozoic.

Holotype: Holotype not located, “Exemplar c” illustrated by Wanner (1949: pl. 3: 10–11).

Type locality: Timor.

Type horizon: Unknown series of Permian.

Diagnosis. —Aboral cup symmetrical, aboral cup shape low to medium bowl, circular to subcircular aboral cup shape in basal view, smooth aboral cup plate sculpturing, aboral cup plate sutures not impressed, basal concavity absent (as known), infrabasal plates confined(?) or not confined to basal concavity, infrabasal plates visible or not visible in lateral view, basal plates slightly to strongly convex, spines or nodes not on basal plates, radial plates slightly to strongly convex, spines or nodes not on basal plates.

Stratigraphic and geographic range. —Unknown series of Permian, Timor.

RGM

National Museum of Natural History, Naturalis

Kingdom

Animalia

Phylum

Echinodermata

Class

Crinoidea

Genus

Parastachyocrinus

Loc

Parastachyocrinus inflatus Wanner, 1949

Ausich, William I., Križnar, Matija, Paszcza, Karolina, Hoşgör, İzzet, Płachno, Bartosz J. & Salamon, Mariusz A. 2024
2024
Loc

Parastachyocrinus obliquus ( Wanner, 1916 )

Webster, G. D. 1973: 195
1973
Loc

Parastachyocrinus malaianus var. ornata

Webster, G. D. 1973: 195
1973
Loc

Parastachyocrinus inflatus

Webster 1973: 195 . 2014
Wanner, J. 1949: 42
1949
Loc

Parastachyocrinus obliquus ( Wanner, 1916 )

Wanner, J. 1949: 42
1949
Loc

Parastachyocrinus malaianus var. ornata

Wanner, J. 1949: 45
1949
Loc

Erisocrinus obliquus

Branson, C. C. 1948: 192
1948
Loc

Erisocrinus obliquus

Bassler, R. S. & Moodey, M. W. 1943: 459
1943
Loc

Erisocrinus obliquus

Wanner, J. 1924: 288
1924
Loc

Erisocrinus obliquus

Wanner, J. 1924: 288
1924
Loc

Erisocrinus obliquus

Wanner, J. 1924: 288
1924
Loc

Erisocrinus obliquus

Wanner, J. 1924: 288
1924
Loc

Erisocrinus obliquus

Wanner, J. 1916: 225
1916
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