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Llanoaspididae

Trilobita - Llanoaspididae

Synonymy list
YearName and author
1944Llanoaspididae Lochmann
2002Llanoaspididae Jell and Adrain p. 473
2011Llanoaspididae Adrain p. 108

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyLlanoaspididaeLochmann 1944
familyLlanoaspididaeLochmann 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.

Fm. †Llanoaspididae Lochmann 1944
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G. †Amquia Rasseti 1946
G. †Arcuolimbus Palmer 1954
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†Arcuolimbus convexus Palmer 1954
G. †Deiracephalus Resser 1935
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†Deiracephalus aster Walcott 1916
†Deiracephalus buttsi Resser 1935
†Deiracephalus unicornis Palmer 1962
Invalid names: Asteraspis Kobayashi 1935 [objective synonym]
G. †Genevievella Lochmann 1936
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Invalid names: Nixonella Lochman 1944 [synonym], Placosema Opik 1967 [synonym]
G. †Llanoaspidella Tasch 1951
G. †Llanoaspis Lochman 1938
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†Llanoaspis convexifrons Rasetti 1961
G. †Metisaspis Rasetti 1946
G. †Nahannicephalus Pratt 1992
G. †Paracedaria Duncan 1949
G. †Sacha Rozova 1964
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†Sacha perexigua Rozova 1964
G. †Tagenarella Lazarenko 1968
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†Tagenarella eniseica Lazarenko 1968
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2010-01-04 05:19:24
Modified: 2010-01-04 07:19:24
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Guzhangian to the top of the Paibian or 500.50000 to 494.00000 Ma

Collections (82 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4USA (South Dakota) Arcuolimbus sp. (231)
Mayan504.5 - 499.5Russian Federation (Krasnoyar) Sacha perexigua (131486)
Menevian504.5 - 499.5Canada (Yukon) Llanoaspis modesta (9874)
Menevian504.5 - 499.5USA (Utah) Genevievella granulata, Deiracephalus aster (230681) Genevievella sp. (10572)
Marjumian504.5 - 497.0Canada (Quebec) Amquia truncata (235509)
Marjumian504.5 - 497.0USA (Alabama) Deiracephalus unicornis (75640)
Marjumian - Guzhangian504.5 - 497.0Mexico Genevievella sp. (236882)
Guzhangian500.5 - 497.0China (Hunan) Placosema bigranulosum (49187)
Guzhangian500.5 - 497.0USA (Texas) Arcuolimbus convexus (208647 208648 208761) Deiracephalus aster (208686) Deiracephalus aster, Arcuolimbus convexus (208685) Genevievella spinosa (208668 208764) Genevievella spinosa, Arcuolimbus convexus (208986) Llanoaspis modesta (208645 208646 208679 208681 208682 208755 208846) Llanoaspis pecularis (208726) Llanoaspis peculiaris (208620 208675) Llanoaspis undulata (208708 208754 208844) Llanoaspis virginica (208850)
Mindyallan499.0 - 497.0Australia (Queensland) Placosema caelatum (77515)
Taoyuanian498.5 - 485.4Russian Federation (Krasnoyar) Tagenarella eniseica (132508 132547 132590 132591 132595)
Taoyuanian498.5 - 485.4Russian Federation (Sakha) Tagenarella eniseica (133592 133593)
Paibian497.0 - 494.0China (Hunan) Placosema bigranulosum (49195 126130 126131)
Paibian497.0 - 494.0USA (Texas) Llanoaspis peculiaris (208657)
Dresbachian497.0 - 485.4USA (Indiana) Llanoaspis sp. (232)
Dresbachian497.0 - 485.4USA (Wyoming) Genevievella sp., Paracedaria sp. (225) Nixonella sp. (227)
Dresbachian497.0 - 485.4USA (South Dakota) Arcuolimbus convexus (7186 7190 7277 7284 7403 7404 8021) Llanoaspis undulata, Arcuolimbus convexus (7199 7201)
Dresbachian497.0 - 485.4USA (Utah) Genevievella granulatus (50592)
Dresbachian497.0 - 485.4USA (Virginia) Llanoaspis convexifrons (62201)
Dresbachian497.0 - 485.4Canada (Yukon) Deiracephalus aster (55216) Deiracephalus unicornis (55222 55279) Genevievella cuniculaenum (55215) Genevievella cuniculaenum, Nahannicephalus mackenziei (55213) Genevievella raggedi, Nahannicephalus keelei (55220) Genevievella simon, Genevievella campbellina, Nahannicephalus sp. (55211) Llanoaspis modesta, Nahannicephalus keelei, Deiracephalus aster (55221) Nahannicephalus keelei (55217)
Furongian497.0 - 485.4USA (Utah) Arcuolimbus sp. (156420) Deiracephalus sp., Genevievella sp. (156427) Genevievella sp. (156423 156425 156426) Llanoaspis sp. (156480)
Merioneth497.0 - 485.4USA (Pennsylvania) Genevievella campbellina (77672 77700) Genevievella campbellina, Genevievella pennstatensis (77697) Genevievella campbellina, Llanoaspidella warriorsmarkensis (77693) Genevievella campbellina, Llanoaspis sp. (77661) Genevievella pennstatensis (77676) Genevievella plesiochielus (77698) Llanoaspidella bigenusia (77705) Llanoaspidella warriorsmarkensis (77696)
Merioneth497.0 - 485.4USA (Vermont) Genevievella sp. (217)