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Nieszkowskia

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Nieszkowskia was named by Schmidt (1881). Its type is Sphaerexochus cephaloceros.

It was reranked as Cheirurus (Nieszkowskia) by Schmidt (1881); it was reranked as Pseudosphaerexochus (Nieszkowskia) by Raymond (1905).

It was assigned to Cheirurus by Schmidt (1881); to Pseudosphaerexochus by Raymond (1905); to Acanthoparyphinae by Nikolaisen (1961), Edgecombe et al. (1999); to Phacopida by Sepkoski (2002); and to Cheiruridae by Warburg (1925), Jell and Adrain (2002).

Synonymy list
YearName and author
1881Nieszkowskia Schmidt
1881Cheirurus (Nieszkowskia) Schmidt pp. 179 - 180
1905Pseudosphaerexochus (Nieszkowskia) Raymond p. 371
1925Nieszkowskia Warburg
1961Nieszkowskia Nikolaisen
1999Nieszkowskia Edgecombe et al.
2002Nieszkowskia Jell and Adrain p. 411
2002Nieszkowskia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyAcanthoparyphinae
genusNieszkowskiaSchmidt 1881

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.

G. †Nieszkowskia Schmidt 1881
show all | hide all
†Nieszkowskia cephaloceras Nieszkowski 1857
†Nieszkowskia cephaloceros Nieszkowski 1857
†Nieszkowskia excelsus Raymond 1925
†Nieszkowskia jakei Edgecombe et al. 1999
†Nieszkowskia norvegica Nikolaisen 1961
†Nieszkowskia satyrus Billings 1865
†Nieszkowskia tumida Angelin 1854
†Nieszkowskia yongyii Edgecombe et al. 1999
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedg
Created: 2010-01-11 05:49:41
Modified: 2010-01-11 07:49:41
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Whittington et al. 1997

Age range: base of the Dapingian to the top of the Johvi or 471.30000 to 449.90000 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Dapingian471.3 - 469.4USA (Utah) N. sp. (104193 104196)
Chazyan471.3 - 457.3USA (New York) Pseudosphaerexochus satyrus (172320)
Chazyan471.3 - 457.3Canada (Quebec) N. sp. (435)
Whiterockian471.3 - 457.3USA (New York) N. satyrus (103002 103012 103316)
Whiterockian471.3 - 457.3Canada (Quebec) N. sp. (111432)
Kunda469.1 - 464.3Russian Federation N. tumida (157144)
Kunda469.1 - 464.3Sweden N. tumidus (188219 188222 188225 188299)
Late/Upper Llandeilo461.1 - 458.2Norway N. sp. (3250)
Late/Upper Llanvirn461.1 - 458.2Sweden N. sp. (2931)
Costonian458.2 - 457.2Argentina (San Juan) N. jakei (70627 70628 73368 73369 73370 115231 115232) N. sp. (70625 70626 115230) N. yongyii (70621 70623)
Costonian - Harnagian458.2 - 457.2Sweden N. sp. (2769)
Soudleyan - Marshbrookian458.2 - 454.0Norway N. sp. (2945)
Sandbian458.2 - 452.8Norway (Skien-Langesund) N. norvegica (191114)
Caradoc458.2 - 449.5United Kingdom (Scotland) N. sp. (188938)
Caradoc458.2 - 449.5Argentina (San Juan) N. jakei (115227 115228 115229)
Kukruse458.0 - 456.8Norway (Oslo Asker) N. norvegica (191115)
Kukruse458.0 - 456.8Estonia N. cephaloceras (189004)
Idavere458.0 - 452.8Russian Federation N. cephaloceras (160532)
Idavere - Johvi458.0 - 449.9Netherlands N. inermis (192065)
Katian452.8 - 445.2Sweden (Dalarna) N. sp. (124939)