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Alokistocaridae

Trilobita - Ptychopariida - Alokistocaridae

Synonyms
Synonymy list
YearName and author
1939Alokistocaridae Resser
1994Ehmaniellidae Sundberg p. 53
1994Alokistocaridae Wolfart p. 33
2008Alokistocaridae Briggs et al. p. 249
2011Alokistocaridae Adrain p. 106
2011Ehmaniellidae Adrain p. 106
2015Alokistocaridae Lamsdell and Selden p. 378

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyAlokistocaridaeResser 1939
familyAlokistocaridaeResser 1939

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. †Alokistocaridae Resser 1939
show all | hide all
G. †Alokistocare Lorenz 1906
+
†Alokistocare alta Fritz 1968
†Alokistocare althea Walcott 1916
†Alokistocare aoris Walcott 1916
†Alokistocare charax Walcott 1917
†Alokistocare georgense Resser 1935
†Alokistocare modestum Lochman 1952
†Alokistocare nactum Resser 1938
†Alokistocare nasutum Rasetti 1965
†Alokistocare natale Resser 1938
†Alokistocare noduliferum Resser 1938
†Alokistocare notatum Resser 1938
†Alokistocare nothum Resser 1938
†Alokistocare paranotatum Rasetti 1951
†Alokistocare pomona Walcott 1916
†Alokistocare punctatum Resser 1939
†Alokistocare septum Resser 1939
†Alokistocare spencense Resser 1939
†Alokistocare subcoronatum Hall and Whitfield 1877
†Alokistocare swasii Sundberg 1994
Invalid names: Pseudoalokistocare Sundberg 1994 [synonym]
G. †Alokistocarella Resser 1938
+
†Alokistocarella mexicana Lochman 1952
†Alokistocarella spencei Resser 1939
G. †Amecephalina Poulson 1927
G. †Amecephaloides Repina 1964
G. †Amecephalus Walcott 1924
+
†Amecephalus agnesensis Walcott 1912
†Amecephalus arrojosensis Lochman 1952
†Amecephalus cleora Walcott 1917
†Amecephalus idahoense Resser 1939
†Amecephalus jamisoni Robison and Babcock 2011
†Amecephalus laticaudum Resser 1939
†Amecephalus normale Resser 1938
†Amecephalus piochensis Walcott 1886
+
Invalid names: Alokistocare packi Resser 1935 [synonym]
Invalid names: Strotocephalus Resser 1935 [synonym]
G. †Annamitia Mansuy 1916
G. †Arellanella Lochman 1948
+
†Arellanella caborcana Lochman 1948
†Arellanella sonora Lochman 1952
G. †Beldirella Pokrovskaya 1960
G. †Bythicheilus Resser 1939
+
†Bythicheilus alveatum Resser 1939
†Bythicheilus typicum Resser 1939
G. †Chancia Walcott 1924
+
†Chancia angusta Resser 1939
†Chancia maladensis Resser 1939
†Chancia rasettii Shaw 1957
†Chancia venusta Resser 1939
G. †Chanciaopsis Sundberg 1994
+
†Chanciaopsis heteromorphos Sundberg 1994
†Chanciaopsis odarayensis Rasetti 1951
†Chanciaopsis palliseri Walcott 1908
G. †Danzhaiaspis Zhang et al. 1980
+
†Danzhaiaspis daopingensis Zhao and Huang 1981
†Danzhaiaspis quadratus Zhang et al. 1980
G. †Ehmania Resser 1935
+
†Ehmania gallatinensis Meek 1873
†Ehmania smithi Walcott 1911
†Ehmania walcotti Resser 1935
†Ehmania weedi Resser 1935
G. †Ehmaniella Resser 1937
+
†Ehmaniella angustigena Sundberg 1994
†Ehmaniella burgessensis Rasetti 1951
†Ehmaniella casta Chien and Zhou 1974
†Ehmaniella quadrans Hall and Whitfield 1877
†Ehmaniella similis Zhang et al. 1980
†Ehmaniella waptaensis Rasetti 1951
†Ehmaniella whitei Robison and Babcock 2011
Invalid names: Anomalocephalus Deiss 1939 [synonym], Clappaspis Deiss 1939 [synonym]
G. †Elrathia Walcott 1924
+
†Elrathia grazierensis Rasetti 1965
†Elrathia idahoensis Resser 1938
†Elrathia kingi Meek 1870
†Elrathia longiceps Resser 1938
†Elrathia occidentalis Walcott 1884
†Elrathia permulta Walcott 1918
†Elrathia rara Resser 1939
†Elrathia sampsoni Resser 1938
†Elrathia spencei Resser 1939
G. †Erdoradites Ivshin 1962
G. †Ganovexopyge Wolfart 1997
+
Invalid names: Scottia Wolfart 1994 [replaced]
G. †Inglefieldia Poulson 1927
+
†Inglefieldia affinis Poulsen 1927
†Inglefieldia imperfecta Lochman 1952
†Inglefieldia porosa Poulsen 1927
G. †Jenkinsonia Robison 1971
G. †Kistocare Lochman 1948
+
†Kistocare corbini Lochman 1948
†Kistocare tontoensis Resser 1945
G. †Lenacare Egorova 1976
G. †Parapachyaspis Qiu 1983
G. †Parehmania Deiss 1939
+
†Parehmania lata Chemysheva 1976
†Parehmania obscura Deiss 1939
Invalid names: Mcnairia Deiss 1939 [synonym], Rowia Deiss 1939 [synonym], Thomsonaspis Deiss 1939 [synonym]
G. †Pedinocephalina Rozova 1960
G. †Proveedoria Lochman 1948
+
†Proveedoria starquistae Lochman 1948
G. †Schopfaspis Palmer and Gatehouse 1972
+
†Schopfaspis granulosus Palmer and Gatehouse 1972
†Schopfaspis similis Chow 1974
G. †Shabanovia Doweld 2013
+
†Shabanovia submissa Doweld 2013
+
Invalid names: Furia submissa Egorova and Shabanov 1987 [replaced]
Invalid names: Furia Egorova and Shabanov 1987 [replaced]
G. †Tympanuella Sundberg 1994
+
†Tympanuella transversa Sundberg 1994
G. †Utaspis Robison 1964
Invalid names: Ehmaniellidae Sundberg 1994 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Based on component genera; 4 of 4 genera share 10 to < 100 length, 4 of 4 share 10 to < 100 width.f
Created: 2009-06-11 14:35:35
Modified: 2009-12-19 05:47:01
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Toyonian to the top of the Merioneth or 512.10000 to 486.85000 Ma

Collections (310 total)


Time interval Ma Country or state Original ID and collection number
Waucoban538.8 - 506.5Greenland Inglefieldia porosa (225266)
Cambrian538.8 - 486.85USA (Georgia) Elrathia sp., Elrathiella buttsi (164675)
Cambrian538.8 - 486.85Argentina (San Juan) Amecephalus arrojosensis (200106)
Cambrian538.8 - 486.85Argentina (San Juan ) Ehmaniella sp., Elrathiella sp. (200108)
Lenian516.0 - 508.2Russian Federation (Kemorovo) Amecephaloides sp. (57028) Lenacare placidum, Amecephaloides sp. (57023)
Dyeran515.3 - 509.7USA (Virginia) Amecephalina poulseni (195)
Dyeran515.3 - 509.7Canada (British Columbia) Inglefieldia sp. (196)
Dyeran515.3 - 509.7Canada (Yukon Territory) Amecephalus sp. (156238)
Dyeran515.3 - 509.7USA (Pennsylvania) Chancia sp. (11116)
Duyunian - Taijangian514.5 - 504.5China (Guizhou) Danzhaiaspis quadratus (107162) Ehmaniella similis (107166 107173) Elrathiella kailiensis (107157) Schopfaspis similis (107174)
Toyonian512.1 - 508.2Russian Federation (Tuva) Beldirella pulchra (81474)
Toyonian512.1 - 508.2USA (Alaska) Parehmania lata (239834)
Toyonian512.1 - 508.2Russian Federation Alokistocare laticaudum, Parehmania lata (225260)
Delamaran509.7 - 505.3USA (California) Alokistocare sp., Amecephalus sp. (226840) Alokistocare sp.1 (149655) Amecephalus arrojosensis (69497 69498 69499 69500 69504 69506 69510 69512) Amecephalus piochensis, Amecephalus strangulatus (191414)
Delamaran509.7 - 505.3USA (Idaho) Alokistocare sp., Alokistocarella sp., Bythicheilus sp., Chancia sp., Clappaspis sp., Ehmaniella sp., Elrathia sp. (207) Chancia ebdome, Chancia evax, Elrathia offula, Alokistocare idahoense, Alokistocare spencense, Alokistocare laticaudum, Alokistocare septum, Chancia angusta, Alokistocarella spencei, Elrathia spencei, Elrathia rara, Clappaspis spencei, Clappaspis idahoensis, Clappaspis lanata, Clappaspis coriacea, Clappaspis dotis, Bythicheilus typicum, Bythicheilus alveatum (76096)
Delamaran509.7 - 505.3USA (Nevada and California) Chancia sp. (202)
Delamaran509.7 - 505.3Mexico Parehmania sp., Inglefieldia imperfecta (10688)
Delamaran509.7 - 505.3Canada (British Columbia) Alokistocare paranotatum, Chancia odarayensis (225256) Alokistocare sp., Ehmaniella sp. (121959) Amecephalus cleora (225263 225264) Amecephalus sp., Chancia sp. (197) Chancia palliseri, Ehmaniella burgessensis (84432) Chancia stenometopa, Amecephalus agnesensis (225262) Ehmaniella burgessensis (84412 84413 84414 84415 84416 84417 84419 84421 84422 84425 84426 84429 84430 84433 84436 84437) Ehmaniella waptaensis, Ehmaniella burgessensis (84423 84424 84427) Elrathia permulta, Ehmaniella burgessensis (84418 84420 84431 84434 84435) Elrathia permulta, Ehmaniella waptaensis, Ehmaniella burgessensis (84428) Inglefieldia sp. (187) Olenopsis agnesensis, Alokistocare stephenensis (50544) Olenopsis cleora (225278)
Delamaran509.7 - 505.3USA (Montana) Ehmania sp. (64605)
Delamaran509.7 - 505.3USA (California-Nevada) Chancia sp. (204)
Delamaran509.7 - 505.3Mexico (Sonora) Ehmaniella sp. (90558)
Delamaran509.7 - 505.3Canada (Northwest Territories) Inglefieldia sp. (225268)
Delamaran509.7 - 505.3USA (Nevada) Alokistocare alta (155979 155985 155991) Alokistocare alta, Chancia venusta (155993 155998) Alokistocarella sp. (149573 149574) Altiocculus drumensis (134245) Amecephalus arrojosensis (10587 69280 69401 69403 69404 69432 69437 69447 69456) Amecephalus laticaudum (77205) Bythicheilus sp. (155995) Bythicheilus sp., Amecephalus laticaudum (77203 77204) Chancia maladensis (149390 149391 149392) Chancia venusta (149569) Chanciaopsis heteromorphos (134249 134252 134253 134255 134256) Ehmaniella angustigena (134246) Ehmaniella fronsplanata (134122) Kistocare campbellensis (155997) Proehmaniella hebes (134118 134119 134120 134121) Trachycheilus whirlwindensis, Chanciaopsis heteromorphos (134254) Trachycheilus whirlwindensis, Tympanuella transversa (134244) Tympanuella transversa (134123 134124 134242)
Delamaran509.7 - 505.3Canada (Northwest Territory) Chancia maladensis (239973)
Delamaran509.7 - 505.3USA (Utah) Alokistocare carnatum, Amecephalus laticudum, Alokistocare normale (10533) Alokistocare idahoense (75639) Alokistocare idahoense, Bythicheilus typicum (75636) Altiocculus concavus (10565) Altiocculus concavus, Chanciaopsis heteromorphos (134117) Altiocculus drumensis (134059 134060 134061 134066) Bythicheilus typicum (75637) Chancia ebdome, Alokistocare idahoense, Bythicheilus typicum (75635) Chanciaopsis heteromorphos (134111 134112 134113 134114 134115 134116) Ehmaniella quadrans (269) Elrathiella dugwayensa, Trachycheilus whirlwindensis (133728) Trachycheilus granulosus (133725) Trachycheilus whirlwindensis (133727) Tympanuella transversa (133726 133729)
Delamaran - Topazan509.7 - 504.5USA (Utah) Ptychoparia piochensis (227007)
Delamaran - Menevian509.7 - 499.5Mexico Alokistocare mexicana, Kistocare corbinia, Proveedoria startquistae, Alokistocare althea, Amecephalus arrojosensis, Alokistocare modestum, Inglefieldia imperfecta, Arellanella caborcana, Kistocare tontoensis (10687)
Delamaran - Marjumian509.7 - 497.0USA (Nevada) Pseudoalokistocare swasii (225258) Pseudoalokistocare swasii, Altiocculus drumensis (225257)
Amgan508.2 - 504.5Russian Federation (Siberia) Elrathia sp. (235454)
Amgan508.2 - 504.5Russian Federation Elrathia alexandrovi (235430)
Solvan508.2 - 504.5Canada (Newfoundland and Labrador) Alokistocare sp., Chancia tuberculata (10821) Chancia tuberculata (10817 10818 10824 10830 10841 10846 10849) Chancia tuberculata, Elrathia kindlei (10816 10826) Elrathia kindlei (10814 10819 10820) Elrathia kinlei, Elrathia parallela (10827)
Solvan508.2 - 504.5Greenland Ehmaniella tupeqarfik (219264)
Solvan508.2 - 504.5Canada (British Columbia) Alokistocare cleora (56702 56703 56704 56716 56718 56720 56721)
Solvan508.2 - 504.5USA (Nevada) Amecephalus arrojosensis (9218 9234 9241 9250 9251 9261) Amecephalus sp. A Sundberg & McCollum 2000 (9249)
Amgan - Menevian508.2 - 499.5USA (Alaska) Parehmania lata (8586)
Solvan - Menevian508.2 - 499.5USA (Pennsylvania) Alokistocare aoris (8593 8594 8595 8596) Alokistocare nasutum, Elrathia grazierensis (8597)
Templetonian508.0 - 504.5USA (Nevada) Chancia maladensis (225158) Elrathiella euthyopsis, Trachycheilus granulosus (225254 225255)
Taijangian506.5 - 504.5China (Guizhou) Danzhaiaspis daopingensis (127442) Danzhaiaspis elongatus (235428) Danzhaiaspis quadratus (128092 128093 128099 128100 128114 128115 128118 128119 128120 128251 128252 128253 128254 128255 128256 128259 128260 128261 128262 128263 128264)
Wuliuan506.5 - 504.5Argentina (Mendoza) Amecephalus laticaudum (220418 222585) Amecephalus normale (220535) Amecephalus sp., Amecephalus laticaudum, Amecephalus normale (223357)
Middle Cambrian506.5 - 497.0USA (Idaho) Alokistocare normale, Alokistocare noduliferum, Alokistocare natale, Alokistocare nactum, Alokistocare nothum, Alokistocare notatum, Elrathia idahoensis (127486) Elrathia sampsoni, Elrathia longiceps (127485)
Middle Cambrian506.5 - 497.0USA (Utah) Alokistocare subcoronatum (64529) Ehmaniella sp. (64530 64531) Elrathia kingii (77267 77268 77269 77270 80127) Elrathia sp. (64534 86730 86734 86735 86736 86737 86740) Proehmaniella sp. (64532)
Middle Cambrian506.5 - 497.0Canada (Northwest Territories) Amecephalus sp. (88786 88787 88788 88789) Elrathiella sp. (88790)
Middle Cambrian506.5 - 497.0USA (Nevada) Alokistocare sp. 2 (149608)
Middle Cambrian506.5 - 497.0Canada (British Columbia) Alokistocare cleora (188658) Ehmaniella sp. (171308 171309)
Middle Cambrian506.5 - 497.0USA (California) Ehmaniella sp. (226272)
Middle Cambrian506.5 - 497.0USA (Alaska) Alokistocare lobatum (64541) Elrathia alaskensis (64765)
Middle Cambrian506.5 - 497.0India Altiocculus striatus (114666 116460)
Middle Cambrian506.5 - 497.0Canada (Newfoundland) Ehmania borealis, Ehmaniella cloudensis, Elrathia quebecensis (196377)
St Davids506.5 - 497.0USA (Vermont) Chancia rasettii (78913)
St Davids506.5 - 497.0India (Jammu) Elrathia chuwansis (46472)
St Davids506.5 - 497.0USA (Idaho/ Utah) Elrathia dubia, Parehmania sp. (218)
St Davids506.5 - 497.0Greenland Elrathia sp. (10478)
St Davids506.5 - 497.0Canada (British Columbia) Ehmaniella sp., Elrathia permulta, Chancia palliseri (215) Ehmaniella waptaensis, Chancia palliseri, Ehmaniella burgessensis (122094)
St Davids506.5 - 497.0USA (Utah) Alokistocare sp., Chancia sp., Elrathia sp., Jenkinsonia sp. (216)
St Davids506.5 - 497.0United Kingdom (England) Solenopleura angustiora (55509)
St Davids506.5 - 497.0USA (Nevada) Amecephalus arrojosensis (50093 50109 50114 50295 50296 50329 50331 50332 50339) Amecephalus sp. (50337)
St Davids506.5 - 497.0USA (Montana) Elrathiella sp. (212)
Topazan505.3 - 504.5USA (Idaho) Alokistocare euchare, Alokistocarella occidens, Ehmaniella maladensis, Kochina venusta (50208)
Tuesaian505.3 - 503.0Kazakhstan Ehmaniella karatauica (118054)
Floran - Undillan504.5 - 500.5Antarctica Scottia scotti, Scottia boweriana (69519 69520)
Menevian504.5 - 499.5Greenland (Peary Land) Elrathia omega (49485 49488)
Menevian504.5 - 499.5USA (Wyoming) Mcnairia inornata (9120)
Menevian504.5 - 499.5USA (Utah) Trachycheilus sp., Proehmaniella basilica (10532)
Marjumian504.5 - 497.0Canada (British Columbia) Elrathia alapyge (122072)
Marjumian504.5 - 497.0Greenland (Peary Land) Elrathia omega (49434 49449 49450 49453 49483)
Marjumian504.5 - 497.0USA (Vermont) Alokistocarella sp. (222)
Marjumian504.5 - 497.0Canada (Newfoundland) Ehmania borealis, Ehmaniella cloudensis (195764) Ehmania borealis, Ehmaniella sp., Ehmaniella cloudensis, Elrathia sp. (195765) Elrathia sp. (195677)
Marjumian504.5 - 497.0USA (Georgia) Alokistocare americanum (8393 8394 8584) Alokistocare sp., Elrathia sp. (64483 64484 64486) Elrathia antiquata (8395 8398 8583) Elrathia antiquata, Alokistocare americanum (8390 8391 8396 8397)
Marjumian504.5 - 497.0USA (Arizona) Parehmania nitida (211)
Marjumian504.5 - 497.0USA (Utah) Ehmaniella whietei, Jenkinsonia varga, Elrathia kingii, Altiocculus harrisi (230682) Elrathia kingii (77272 164714) Elrathia marjumi, Utaspis marjumensis, Altiocculus harrisi (230679) Jenkinsonia varga, Elrathia kingii, Alokistocare harrisi (56144) Utaspis marjumensis (77207)
Wangcunian504.5 - 497.0China (Guizhou) Ehmaniella casta (107324)
Guzhangian500.5 - 497.0Antarctica Schopfaspis granulosus (154032)
Ayusokkanian499.5 - 497.0Russian Federation (Yakut) Pedinocephalina incerta (232897)
Merioneth497.0 - 486.85USA (Vermont) Alokistocarella sp., Elrathia sp. (217)
Merioneth497.0 - 486.85Canada (British Columbia) Amecephalus sp. (199)
Merioneth497.0 - 486.85USA (Wyoming) Alokistocare sp. (219)
Merioneth497.0 - 486.85USA (Arizona) Alokistocare sp., Elrathia sp. (205 210)
Merioneth497.0 - 486.85USA (Utah) Alokistocare sp. (206)
Merioneth497.0 - 486.85Canada (Alberta-British Columbia) Alokistocare sp., Chancia sp. (213)
Merioneth497.0 - 486.85USA (Idaho) Alokistocare sp., Alokistocarella sp., Ehmaniella sp., Inglefieldia sp. (198)