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Microparia (Heterocyclopyge)

Artiopoda - Asaphida - Cyclopygidae

Taxonomy
Heterocyclopyge was named by Marek (1961) [Sepkoski's age data: O Llde-u O Ashg-m Sepkoski's reference number: 795,1075]. It is not extant. Its type is Cyclopyge pachycephala.

It was synonymized subjectively with Selenoptychus by Jell and Adrain (2002); it was reranked as Microparia (Heterocyclopyge) by Owen and Bruton (2012).

It was assigned to Asaphida by Sepkoski (2002); and to Microparia by Owen and Bruton (2012).

Synonymy list
YearName and author
1961Heterocyclopyge Marek
2002Heterocyclopyge Sepkoski
2012Microparia (Heterocyclopyge) Owen and Bruton p. 979

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyCyclopygoideaRaymond 1925
familyCyclopygidae
genusMicropariaHawle and Corda 1847
subgenusHeterocyclopyge(Marek 1961)

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.

Subg. †Microparia (Heterocyclopyge) Marek 1961
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†Heterocyclopyge pachycephala Hawle and Corda 1847
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Invalid names: Selenoptychus rotundatus Hawle and Corda 1847 [synonym]
†Microparia (Heterocyclopyge) insolens Schuchert and Cooper 1930
†Microparia (Heterocyclopyge) kindlei Schuchert and Cooper 1930
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobilef
Life habit: nektonicf
Diet: microcarnivoref
Vision: well-developedf
Created: 2009-06-08 12:11:36
Modified: 2009-06-08 14:11:36
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Vinice to the top of the Gamachian or 459.30000 to 443.10000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Liben - Late/Upper Llandeilo463.3 - 458.2Czechia Heterocyclopyge pachycephala (237966)
Letna - Harnagian463.3 - 457.2Czechia Heterocyclopyge sp. (3862)
Berounian459.7 - 450.1Czechia (Prague) Heterocyclopyge sp. (76472)
Vinice459.3 - 457.3Czechia Heterocyclopyge pachycephala (3864)
Vinice - Late/Upper Ordovician459.3 - 443.1Czechia Heterocyclopyge pachycephala (3863)
Sandbian458.2 - 452.8Czechia Heterocyclopyge pachycephala (3856)
Sandbian458.2 - 452.8Kazakhstan Microparia sp. (162196)
Edenian - Gamachian451.0 - 443.1Canada (Quebec) Cyclopyge kindlei (37791)
Richmondian - Gamachian449.6 - 443.1Canada (Quebec) Cyclopyge insolens, Cyclopyge kindlei (37469 37790)
Ashgill449.5 - 443.1Canada (Quebec) Heterocyclopyge insolens (76075) Heterocyclopyge insolens, Heterocyclopyge kindlei (13130 13131)
Ashgill449.5 - 443.1USA (Maine) Microparia sp. (185954)