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Phalagnostus

Artiopoda - 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
P. carinatus, P. cuneatus, P. glandiformis
Species lacking formal opinion data
P. bituberculatus, P. majus, P. nudus, P. nudus, P. prantli, P. rasetti, P. shergoldi
Entered
by J. Sepkoski on 2003-01-23; modified by L. van den Hoek Ostende on 2013-04-30

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
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
RankNameAuthor
phylumArthropodaGravenhorst 1843
classArtiopodaHou 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: Hendy 2009, Kiessling 2004

Age range: base of the Drumian to the top of the Dresbachian or 504.50000 to 486.85000 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Solvan - Menevian508.2 - 499.5Czechia P. nudus (73557) P. prantli (73529 73536)
Middle Cambrian506.5 - 497.0Czechia P. nudus (199039)
Middle Cambrian506.5 - 497.0Czechia (Bohemia) P. nudus (67775)
Middle Cambrian506.5 - 497.0USA (Alaska) P. bituberculatus (64772)
Middle Cambrian506.5 - 497.0Czechia (Jince) P. prantli (76481 76482)
Drumian504.5 - 500.5Czechia (Central Boemian) P. sp. (76456)
Mayan504.5 - 499.5Russian Federation (Krasnoyar) P. cuneatus (131433) P. glandiformis (131428 131429 131431 131432) P. glandiformis, P. cuneatus (131430)
Menevian504.5 - 499.5Greenland (Nyeboe Land) Grandagnostus glandiformis (9936)
Menevian504.5 - 499.5United Kingdom (Wales) P. nudus (193783)
Wangcunian504.5 - 497.0China (Henan) P. majus (127074)
Wangcunian - Guzhangian504.5 - 497.0China (Zhejiang) P. carinatus (125541) P. sp. (125540)
Guzhangian500.5 - 497.0China (Hunan) P. sp. (49172)
Dresbachian497.0 - 486.85Canada (Yukon) P. rasetti (55211) P. shergoldi (55224 55225 55277)