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Diplagnostus

Agnostida - Diplagnostidae

Taxonomy
Diplagnostus was named by Jaeckel (1909) [Sepkoski's age data: Cm uMid-l Cm uMid-u Sepkoski's reference number: 16,464]. It is not extant.

It was assigned to Agnostida by Sepkoski (2002); and to Diplagnostidae by Whittington et al. (1997) and Jell and Adrain (2002).

Synonyms
Synonymy list
YearName and author
1909Diplagnostus Jaeckel
1976Tasagnostus Jago
1997Diplagnostus Whittington et al. p. 362
2002Diplagnostus Jell and Adrain p. 367
2002Diplagnostus Sepkoski
2002Tasagnostus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyDiplagnostidaeWhitehouse 1936
genusDiplagnostusJaeckel 1909

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. †Diplagnostus Jaeckel 1909
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†Diplagnostus floralis Opik 1979
†Diplagnostus planicauda Angelin 1851
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Invalid names: Diplagnostus qinlingensis Yang et al. 1993 [synonym], Diplagnostus zhexiensis Lu and Lin 1989 [synonym]
†Diplagnostus pseudofloralis Ergaliev and Ergaliev 2008
†Diplagnostus pyriformis Ergaliev and Ergaliev 2008
Invalid names: Tasagnostus Jago 1976 [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
Vision: blindf
Created: 2009-02-25 10:53:38
Modified: 2009-02-25 12:53:38
Source: g = genus, f = family, o = order
References: Kiessling 2004, Hendy 2009

Age range: base of the Tuesaian to the top of the Menevian or 505.30000 to 499.50000 Ma

Collections (54 total)


Time interval Ma Country or state Original ID and collection number
Amgan510.2 - 504.5Kazakhstan D. pseudofloralis (9973)
Taijangian509.0 - 504.5China (Hunan) D. planicauda (49155 49156 49158 49159)
Middle Cambrian509.0 - 497.0Italy (Iglesiente) D. sp. (139880)
Middle Cambrian509.0 - 497.0India D. planicauda (114635) D. sp., D. planicauda (114665)
Middle Cambrian509.0 - 497.0Argentina (Mendoza) D. indianus (9816) D. planicauda (9811)
Tuesaian505.3 - 503.0Kazakhstan D. pseudfloralis (118054)
Floran504.5 - 503.0Australia (Queensland) D. atavorum (225175)
Mayan504.5 - 499.5Russian Federation D. planicauda (10118)
Mayan504.5 - 499.5Russian Federation (Altai (Region)) D. planicauda (10060 10062)
Mayan504.5 - 499.5Russian Federation (Gorniy Altay) D. sp. (10173)
Menevian504.5 - 499.5USA (Utah) D. planicauda (10572)
Menevian504.5 - 499.5Denmark (Bornholm) D. planicauda (75946 75947)
Menevian504.5 - 499.5Greenland (Nyeboe Land) D. planicauda (9935)
Wangcunian504.5 - 497.0China (Shandong) D. sp. (126819)
Wangcunian504.5 - 497.0China (Zhejiang) D. floralis (125538)
Wangcunian504.5 - 497.0China (Hunan) D. planicauda (49161 49162 49163 49283 49285 128313 128318 128340)
Wangcunian - Guzhangian504.5 - 497.0China (Zhejiang) D. planicauda (125535) D. sp. (125683) D. zhexiensis (125540 125541)
Wangcunian - Guzhangian504.5 - 497.0China (Henan) D. qinlingensis (127076)
Wangcunian - Guzhangian504.5 - 497.0China (Sichuan) D. planicauda (127067)
Undillan503.0 - 500.5Australia (Queeland) D. floralis (225234)
Zhanaarykian503.0 - 500.5Kazakhstan D. pyriformis (9958 9961 9962 9963 118097)
Boomerangian500.5 - 499.0Australia (Queenslandd) D. planicaudavestgothieus (225252)
Guzhangian500.5 - 497.0China (Hunan) D. planicauda (49168 49171 49173 128351 128354 128365) D. sp. (49172) D. sp., D. planicauda (49174)
Guzhangian500.5 - 497.0Antarctica D. sp. (227789)
Guzhangian500.5 - 497.0China (Sichuan) D. planicauda (127068 127069)