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Baltagnostus

Agnostida - Diplagnostidae

Taxonomy
Baltagnostus was named by Lochmann (1944) [Sepkoski's age data: Cm mMid-u Cm uMid-u Sepkoski's reference number: 379]. It is not extant.

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

Species
B. ambonus, B. magnificus, B. rakuroensis
Species lacking formal opinion data
B. australis, B. centerensis, B. wyomingensis

Synonymy list
YearName and author
1944Baltagnostus Lochmann
1997Baltagnostus Whittington et al. p. 364
2002Baltagnostus Jell and Adrain p. 347
2002Baltagnostus 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
genusBaltagnostusLochmann 1944

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. †Baltagnostus Lochmann 1944
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†Baltagnostus ambonus Peng and Robison 2000
†Baltagnostus magnificus Ergaliev and Ergaliev 2008
†Baltagnostus rakuroensis Kobayashi 1935
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 10:57:38
Modified: 2009-02-25 12:57:38
Source: g = genus, f = family, o = order
References: Kiessling 2004, Hendy 2009

Age range: base of the Tuesaian to the top of the Dresbachian or 505.30000 to 485.40000 Ma

Collections (49 total)


Time interval Ma Country or state Original ID and collection number
Amgan510.2 - 504.5Kazakhstan B. rakuroensis, B. magnificus (9973 9976 9977)
Taijangian509.0 - 504.5China (Liaoning) Pseudoperonopsis rakuroensis (126905)
Taijangian509.0 - 504.5China (Hunan) B. ambonus (49159)
Taijangian509.0 - 504.5China (Shandong) Pseudoperonopsis rakuroensis (126904)
Taijangian509.0 - 504.5China (Hubei) Peronopsis rakuroensis (130257)
Arcadian509.0 - 498.4Canada (Newfoundland and Labrador) B. robustus (9690)
Middle Cambrian509.0 - 497.0India B. rakuroensis (114635 114636)
Middle Cambrian509.0 - 497.0Canada (Newfoundland and Labrador) B. robustus (9683 9685 9686 9688)
Middle Cambrian509.0 - 497.0USA (Utah) B. eurypyx (77270)
St Davids509.0 - 497.0Canada (British Columbia) B. eurypyx (122017 122072)
St Davids509.0 - 497.0USA (Utah) B. sp. (216)
Tuesaian505.3 - 503.0Kazakhstan B. rakuroensis (118085) B. rakuroensis, B. magnificus (118054)
Floran504.5 - 503.0Australia (Queensland) B. australis (225072)
Marjumian504.5 - 497.0USA (New York) B. sp. (221)
Marjumian504.5 - 497.0Canada (Newfoundland and Labrador) B. robustus (9684 9687)
Marjumian504.5 - 497.0USA (Utah) B. eurypyx (261 56144 77271)
Marjumian504.5 - 497.0USA (Georgia) B. centerensis (8390 8393 8394 8395 8397) B. sp. (64483 64484 64486)
Wangcunian504.5 - 497.0China (Henan) Peronopsis rakuroensis (127075)
Wangcunian504.5 - 497.0China (Hunan) B. ambonus (49274 49282 128313 128316 128317)
Wangcunian - Guzhangian504.5 - 497.0China (Hebei) B. sp. (129270)
Wangcunian - Guzhangian504.5 - 497.0China (Henan) Peronopsis rakuroensis (127076)
Undillan503.0 - 500.5Australia (Queensland) B. robustus (225221) B. sertulatus (225222)
Guzhangian500.5 - 497.0USA (Texas) B. centerensis (208995)
Dresbachian497.0 - 485.4USA (Wyoming) B. sp. (224) B. wyomingensis (9049 9051)