PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pseudacanthoscapha striatula

Ostracoda - Podocopida - Geroiidae

Taxonomy

Acratia striatula was named by Shi (1982).

It was recombined as Pseudacanthoscapha striatula by Crasquin (2008), Crasquin and Forel (2010).

Synonyms

Pseudacanthoscapha beckeri was named by Kozur (1985). Its type specimen is P 1550/Ko 1980 I-81 and is a 3D body fossil. Its type locality is Nagyvisnyó Railway Cut 5, sample Nv V/5/9/1980, which is in a Wuchiapingian carbonate limestone in the Nagyvisnyo Formation of Hungary.

It was synonymized subjectively with Pseudacanthoscapha striatula by Crasquin and Forel (2010).

Synonymy list

Year	Name and author
1982	Acratia striatula Shi p. 139 figs. Pl 11, figs 9-11
1985	Pseudacanthoscapha beckeri Kozur p. 110 figs. Pl 18, fig 9
1987	Acratia striatula Shi and Chen p. 49 figs. Pl 11, figs 13-18; pl 17, figs 1-4
1998	Acratia striatula Crasquin-Soleau figs. Pl 8, figs 3,4
2008	Pseudacanthoscapha striatula Crasquin p. 250 figs. Pl 5, fig 22
2008	Pseudacanthoscapha beckeri Mette figs. Pl 2, fig 1
2010	Pseudacanthoscapha striatula Crasquin and Forel p. 362 fig. 20D

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997

Rank	Name	Author
—	Hymenostraca	(Rolfe 1969)
superclass	Oligostraca	Zrzavý et al. 1997
class	Ostracoda
subclass	Podocopa	Sars 1865
order	Podocopida	Sars 1866
suborder	Bairdiocopina	Grundel 1967
superfamily	Bairdioidea	(Sars 1888)
family	Geroiidae	(Grundel 1962)
genus	Pseudacanthoscapha
species	striatula	(Shi 1982)

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.

†Pseudacanthoscapha striatula Shi 1982

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Invalid names: Pseudacanthoscapha beckeri Kozur 1985 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
carapace height	7	0.381	0.290	0.550	0.360	0.113
valve height	2	0.429	0.400	0.460	0.430	0.042

Composition:

low Mg calcitec

Environment:

hypersaline, marine, brackish, freshwaterc

Locomotion:

actively mobilec

Life habit:

epifaunalo

Diet:

detritivoreo

Diet 2:

grazero

Vision:

limitedc

Created:

2010-02-05 02:00:00

Modified:

2010-02-23 23:16:56

Source: o = order, c = class

References: Jell and Adrain 2002, Kiessling 2004

Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Wuchiapingian	259.51 - 254.14	Hungary	Pseudacanthoscapha beckeri (146176)
Wuchiapingian	259.51 - 254.14	Iran	Pseudacanthoscapha beckeri (155127)
Wuchiapingian	259.51 - 254.14	Greece	Acratia striatula (112080)
Changhsingian	254.14 - 251.902	Italy	Pseudacanthoscapha striatula (84151)
Changhsingian	254.14 - 251.902	China (Zhejiang)	Acratia striatula (117596 117597 117598 117619 117627 117628 117659 117664 117667 117668 117670 117673) Pseudacanthoscapha striatula (97896)