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Papyriaspididae

Trilobita - Ptychopariida - Papyriaspididae

Taxonomy
Papyriaspididae was named by Whitehouse (1939). It is not extant. Its type is Papyriaspis.

It was assigned to Ptychopariida by Whittington et al. (1997); and to Trilobita by Adrain (2011).

Synonymy list
YearName and author
1939Papyriaspididae Whitehouse
1997Papyriaspididae Whittington et al. p. 302
2011Papyriaspididae Adrain p. 108

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPapyriaspididaeWhitehouse 1939
familyPapyriaspididaeWhitehouse 1939

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.

Fm. †Papyriaspididae Whitehouse 1939
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G. †Badainjaranaspis Lu et al. 1986
G. †Papyriaspis Whitehouse 1939
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†Papyriaspis lanceola Whitehouse 1939
G. †Pianaspis Saito and Sakakura 1936
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†Pianaspis attenuata Lermontova and Chernysheva 1950
†Pianaspis dictyodroma Yang et al. 1993
†Pianaspis insuetus Lu and Zhu 1980
†Pianaspis sinensis Yang 1978
†Pianaspis sors Öpik 1961
G. †Prohedinia Lermontova and Chernysheva 1950
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Invalid names: Tosotychia Opik 1961 [synonym]
G. †Wandelella Robison 1988
G. †Wangcunia Peng et al. 1995
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†Wangcunia wangcunensis Peng et al. 1995
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2010-01-03 02:49:40
Modified: 2010-01-03 04:49:40
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Dyeran to the top of the Mayan or 515.30000 to 499.50000 Ma

Collections (49 total)


Time interval Ma Country or state Original ID and collection number
Dyeran515.3 - 511.2USA (Utah) Prohedinia spencei (75634)
Middle Cambrian509.0 - 497.0USA (Alaska) Prohedinia brevifrons (64763 64764)
Taijangian - Guzhangian509.0 - 497.0China (Anhui) Pianaspis insuetus (127474)
Mayan504.5 - 499.5Russian Federation (Gorniy Altay) Prohedinia sp. (10173)
Mayan504.5 - 499.5Russian Federation Pianaspis attenuata (10118)
Wangcunian504.5 - 497.0China (Hunan) Pianaspis sinensis (49162 49163 49164 49165 49283 49287 49288 49289 49290 49291 128313 128317 128318 128319 128333 128336 128337 128340 128341) Wangcunia wangcunensis (49274)
Wangcunian504.5 - 497.0China (Henan) Pianaspis sp. 1, Pianaspis sp. 2, Pianaspis sinensis, Pianaspis attenuata (127075)
Wangcunian504.5 - 497.0China (Sichuan) Pianaspis sinensis, Pianaspis dictyodroma (127065)
Wangcunian - Guzhangian504.5 - 497.0China (Sichuan) Pianaspis sinensis, Pianaspis dictyodroma (127066 127067)
Wangcunian - Guzhangian504.5 - 497.0China (Henan) Pianaspis sp. 3, Pianaspis sinensis, Pianaspis attenuata (127076)
Wangcunian - Guzhangian504.5 - 497.0China (Zhejiang) Pianaspis sinensis (125535 125541)
Undillan503.0 - 500.5Australia (Queensland) Papyriaspis lanceola (225220)
Boomerangian500.5 - 499.0Australia (Queenslandd) Tosotychia sors (225252)
Guzhangian500.5 - 497.0China (Sichuan) Pianaspis dictyodroma (127068)
Guzhangian500.5 - 497.0Antarctica Pianaspis sp. (227789)
Guzhangian500.5 - 497.0China (Hunan) Pianaspis attenuata (49168 49170 128351) Pianaspis sinensis (49171 49292 128343 128344 128346 128347 128365) Pianaspis sinensis, Pianaspis attenuata (49169 128354)