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Phalagnostus

Agnostida

Taxonomy
Phalagnostus was named by Howell (1955) [Sepkoski's age data: ]. It is not extant.

It was assigned to Agnostidae by Jell and Adrain (2002); to Agnostida by Sepkoski (2002); and to Condylopygoidea by Naimark and Pegel (2017).

Species lacking formal opinion data

Synonyms
  • Phalacromina was named by Kobayashi (1962). It is not extant.

    It was synonymized subjectively with Phalagnostus by Shergold (1990).
Synonymy list
YearName and author
1955Phalagnostus Howell
1962Phalacromina Kobayashi
2002Phalagnostus Jell and Adrain p. 424
2002Phalagnostus Sepkoski
2017Phalagnostus Naimark and Pegel p. 1235

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
genusPhalagnostusHowell 1955

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. †Phalagnostus Howell 1955
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Phalagnostus carinatus Lu and Lin 1989
Phalagnostus cuneatus Rozova 1964
Phalagnostus glandiformis Angelin 1851
Invalid names: Phalacromina Kobayashi 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Spines: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Comments: BODY SIZE: Data from Whittington et al. (1997).g
Created: 2009-06-08 10:13:10
Modified: 2009-06-08 12:13:10
Source: g = genus, o = order
References: Kiessling 2004, Hendy 2009

Age range: base of the Mayan to the top of the Guzhangian or 505.00000 to 497.00000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Menevian513.0 - 501.0United Kingdom (Wales) P. nudus (193783)
Menevian513.0 - 501.0Greenland (Nyeboe Land) Grandagnostus glandiformis (9936)
Middle Cambrian513.0 - 501.0Czech Republic (Central Boemian) P. sp. (76456)
Middle Cambrian513.0 - 501.0Czech Republic (Bohemia) P. nudus (67775)
Middle Cambrian513.0 - 501.0Czech Republic (Jince) P. prantli (76481 76482)
Middle Cambrian513.0 - 501.0Czech Republic P. nudus (199039)
Middle Cambrian513.0 - 501.0USA (Alaska) P. bituberculatus (64772)
Solvan - Menevian513.0 - 501.0Czech Republic P. nudus (73557) P. prantli (73529 73536)
Mayan505.0 - 501.0Russian Federation (Krasnoyar) P. cuneatus (131433) P. glandiformis (131428 131429 131431 131432) P. glandiformis, P. cuneatus (131430)
Wangcunian505.0 - 501.0China (Henan) P. majus (127074)
Wangcunian - Guzhangian505.0 - 497.0China (Zhejiang) P. carinatus (125541) P. sp. (125540)
Dresbachian501.0 - 485.4Canada (Yukon) P. rasetti (55211) P. shergoldi (55224 55225 55277)
Guzhangian500.5 - 497.0China (Hunan) P. sp. (49172)