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Beckwithia

Aglaspidida

Taxonomy
Beckwithia was named by Resser (1931) [Sepkoski's age data: Cm uMid Cm Dres-l].

It was assigned to Beckwithiidae by Størmer (1955); to Merostomata by Sepkoski (2002); to Aglaspididae by Ortega-Hernandez et al. (2013); and to Aglaspidida by Lerosey-Aubril et al. (2017).

Species
Species lacking formal opinion data

Synonymy list
YearName and author
1931Beckwithia Resser
1955Beckwithia Størmer p. 14
2002Beckwithia Sepkoski
2013Beckwithia Ortega-Hernandez et al. p. 17
2017Beckwithia Lerosey-Aubril et al. p. 11

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
superclassVicissicaudata()
orderAglaspidida(Walcott 1911)
genusBeckwithiaResser 1931

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. †Beckwithia Resser 1931
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Beckwithia typa Resser 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphatico
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Ribbing: noneg
Spines: noneg
Locomotion: actively mobileg
Life habit: nektobenthicg
Diet: carnivoreg
Vision: well-developedo
Comments: Data from personal opinion (Lin, pers. comm.), inferred from modern analogue (e.g. Limulus).g
Created: 2009-02-26 11:39:55
Modified: 2009-04-21 13:44:13
Source: g = genus, o = order
References: Hendy et al. 2009, Størmer 1955

Age range: base of the Menevian to the top of the Dresbachian or 504.50000 to 485.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Menevian504.5 - 499.5USA (Utah) B. typa (230681)
Dresbachian497.0 - 485.4USA (Utah) B. typa (50592)
Furongian497.0 - 485.4Russian Federation (Maritime Territory) B. daubikhensis (10171)