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Dikelocephaloidea

Trilobita - Asaphida

Taxonomy
Dikelocephalacea was named by Miller (1889).

It was corrected as Dikelocephaloidea by Bell (2012).

It was assigned to Asaphida by Hughes (1994) and Bell (2012).

Synonymy list
YearName and author
1889Dikelocephalacea Miller p. 718
1994Dikelocephalacea Hughes
2012Dikelocephaloidea Bell

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyDikelocephaloidea(Miller 1889)
superfamilyDikelocephaloidea(Miller 1889)

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.

Superfm. †Dikelocephaloidea Miller 1889
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Fm. †Dikelocephalidae Miller 1889
+
G. †Berkeia Resser 1937
+
†Berkeia glabellamersa Wilson 1949
†Berkeia typica Resser 1937
G. †Blandicephalus Palmer 1954
+
†Blandicephalus texanus Palmer 1954
G. †Briscoia Walcott 1924
+
†Briscoia angustilimba Westrop 1986
†Briscoia coloradoensis Walcott 1914
†Briscoia dalyi Walcott 1914
†Briscoia devinei Billings 1865
†Briscoia elegans Kobayashi 1935
+
Invalid names: Parabriscoia stenorachis Kobayashi 1935 [synonym]
†Briscoia llanoensis Winston and Nicholls 1967
†Briscoia nevadensis Resser 1937
†Briscoia pertransversa Lochman 1956
†Briscoia schucherti Ulrich and Resser 1930
†Briscoia septentrionalis Kobayashi 1935
+
Invalid names: Briscoia mertiei Kobayashi 1935 [synonym], Briscoia robusta Kobayashi 1935 [synonym]
†Briscoia sinclairensis Walcott 1924
Invalid names: Parabriscoia Kobayashi 1935 [synonym]
G. †Dikelocephalus Owen 1852
+
†Dicellocephalus bilobatus Hall and Whitfield 1877
†Dicellocephalus iole Walcott 1884
†Dicellocephalus marica Walcott 1884
†Dicellocephalus nasutus Walcott 1884
†Dicellocephalus tribulus Walcott 1912
†Dikelocephalus halli Ulrich and Resser 1930
+
Invalid names: Dikelocephalus barretti Ulrich and Resser 1930 [synonym], Dikelocephalus beani Ulrich and Resser 1930 [synonym], Dikelocephalus brevis Ulrich and Resser 1930 [synonym], Dikelocephalus declivis Ulrich and Resser 1930 [synonym], Dikelocephalus edwardsi Ulrich and Resser 1930 [synonym], Dikelocephalus gracilis Ulrich and Resser 1930 [synonym], Dikelocephalus granosus Ulrich and Resser 1930 [synonym], Dikelocephalus hotchkissi Ulrich and Resser 1930 [synonym], Dikelocephalus inaequalis Ulrich and Resser 1930 [synonym], Dikelocephalus intermidius Ulrich and Resser 1930 [synonym], Dikelocephalus juvinalis Ulrich and Resser 1930 [synonym], Dikelocephalus marginatus Ulrich and Resser 1930 [synonym], Dikelocephalus norwalkensis Ulrich and Resser 1930 [synonym], Dikelocephalus orbiculatus Ulrich and Resser 1930 [synonym], Dikelocephalus ovatus Ulrich and Resser 1930 [synonym], Dikelocephalus oweni Ulrich and Resser 1930 [synonym], Dikelocephalus postrectus Ulrich and Resser 1930 [synonym], Dikelocephalus raaschi Ulrich and Resser 1930 [synonym], Dikelocephalus regalis Ulrich and Resser 1940 [synonym], Dikelocephalus retrorsus Ulrich and Resser 1930 [synonym], Dikelocephalus subplanus Ulrich and Resser 1930 [synonym], Dikelocephalus thwaitesi Ulrich and Resser 1930 [synonym], Dikelocephalus weidmani Ulrich and Resser 1930 [synonym], Dikelocephalus wiltonensis Ulrich and Resser 1930 [synonym], Dikelocephalus wisconsinensis Ulrich and Resser 1930 [synonym], Ogygia minnesotensis Chapman 1856 [synonym]
†Dikelocephalus wisconensis Ulrich and Resser 1930
G. †Elkia Walcott 1924
G. †Monocheilus Resser 1937
+
†Monocheilus anatinum Hall 1863
†Monocheilus micros Walter 1926
G. †Neoiranella Özdikmen 2006
+
†Neoiranella latefrons King 1937
Invalid names: Iranella Hupe 1953 [replaced]
G. †Osceolia Walcott 1914
G. †Princetonella Lochman 1953
G. †Pterocephalops Rasetti 1944
+
G. †Randicephalus Ivshin 1962
G. †Stigmacephalus Resser 1937
+
†Stigmacephalus oweni Hall 1863
G. †Walcottaspis Ulrich and Resser 1930
+
†Walcottaspis vanhornei Walcott 1914
Invalid names: Saukiidae Ulrich and Resser 1930 [synonym]
Fm. †Ptychaspididae Raymond 1924
+
G. †Alborsella Kushan 1973
G. †Changia Sun 1924
+
†Changia chinensis Sun 1924
Invalid names: Coreanocephalus Kobayashi 1935 [synonym], Quadraticephalus Sun 1925 [synonym]
G. †Eoptychaspis Nelson 1951
G. †Eowuhuia Zhang and Wang 1984
G. †Euptychaspis Ulrich 1931
G. †Idiomesus Raymond 1924
G. †Imlerella Loch and Taylor 2004
G. †Kathleenella Ludvigsen 1982
G. †Keithia Raymond 1924
+
†Keithia similis Rasetti 1944
†Keithia subclavatus Billings 1860
G. †Keithiella Rasetti 1944
+
†Keithiella brevis Rasetti 1944
†Keithiella cylindrica Billings 1860
†Keithiella depressa Rasetti 1944
G. †Macronoda Lochmann 1964
+
†Macronoda punctata Loch et al. 1993
Invalid names: Promesus Lochman 1964 [synonym]
G. †Plectrella Ludvigsen and Westrop 1989
G. †Proricephalus Westrop 1986
G. †Ptychaspis Hall 1863
+
†Ptychaspis granulosa Owen 1852
†Ptychaspis minuta Whitfield 1878
†Ptychaspis pustulosa Hall and Whitfield 1877
†Ptychaspis tuberosa Feniak 1952
Invalid names: Asioptychaspis Kobayashi 1933 [synonym]
G. †Saukioides Kobayashi 1952
+
Invalid names: Jeholaspis Kobayashi 1953 [objective synonym]
G. †Sunwaptia Westrop 1986
G. †Wilcoxaspis Westrop 1986
Invalid names: Dikelocephaliidae Miller 1889 [empty]
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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Created: 2009-10-11 08:22:09
Modified: 2020-06-15 15:27:39
Source: o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Paibian to the top of the Mansian or 497.00000 to 485.00000 Ma

Collections (284 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4USA (New York) Dikelocephalus sp., Keithiella sp., Prosaukia sp. (254)
Cambrian538.8 - 485.4USA (Wisconsin) Monocheilus sp., Ptychaspis sp. (250)
Cambrian538.8 - 485.4USA (Alaska) Briscoia sp. (114982)
Cambrian538.8 - 485.4USA (Montana) Dikelocephalus sp., Monocheilus sp., Saukia sp., Macronoda sp., Promesus sp. (258)
Taoyuanian498.5 - 485.4China (Hunan) Mictosaukia combinata, Lophosaukia jiangnanensis (126669 126722) Saukia enshiensis (107326)
Taoyuanian498.5 - 485.4China (Hebei) Ptychaspis subglobosa (129604 129616)
Taoyuanian - Niuchehean498.5 - 485.4Turkey Alborsella stoecklini (133721)
Taoyuanian - Niuchehean498.5 - 485.4China (Anhui) Calvinella tangcunensis, Saukia jingxianensis, Prosaukia diversa, Saukia crassa, Calvinella lira (127532) Saukia crassa, Saukia reflexa (127531) Saukia jingxianensis, Prosaukia diversa, Saukiella diversa (127320) Saukia sp. (127319)
Paibian497.0 - 494.0USA (Texas) Blandicephalus texanus (208989)
Paibian497.0 - 494.0USA (Alaska) Briscoia septentrionalis (233750) Briscoia septentrionalis, Briscoia elegans (233751)
Steptoean497.0 - 493.5USA (Vermont) Pterocephalops tuberculineata (8977)
Steptoean497.0 - 493.5USA (Pennsylvania) Imlerella praecipita (62082)
Steptoean497.0 - 493.5USA (Minnesota) Berkeia typica (156300)
Dresbachian497.0 - 485.4USA (Virginia) Pterocephalops acrophthalma (62204 62205)
Franconian497.0 - 485.4USA (Minnesota) Prosaukia ambigua, Monocheilus anatinum, Monocheilus micros (62113) Ptychaspis granulosa (62106 62109) Ptychaspis granulosa, Monocheilus anatinum (62100 62101 62102 62103) Ptychaspis granulosa, Monocheilus anatinum, Monocheilus micros (62099 62104) Ptychaspis miniscaensis (62112 62124) Ptychaspis miniscaensis, Prosaukia misa (62114 62116 62121 62123) Ptychaspis striata (62111) Ptychaspis striata, Ptychaspis granulosa, Monocheilus anatinum, Monocheilus micros, Ptychaspis tuberosa (62107) Ptychaspis striata, Ptychaspis granulosa, Ptychaspis tuberosa (62110) Ptychaspis striata, Ptychaspis miniscaensis, Prosaukia ambigua, Prosaukia misa, Monocheilus anatinum (62118) Ptychaspis striata, Ptychaspis miniscaensis, Prosaukia misa (62115 62119 62120 62122) Ptychaspis striata, Stigmacephalus flexifrons, Ptychaspis granulosa, Monocheilus anatinum, Ptychaspis tuberosa (62108) Ptychaspis striata, Stigmaspis hudsonensis, Ptychaspis miniscaensis, Prosaukia ambigua, Prosaukia misa, Monocheilus anatinum (62117) Stigmacephalus flexifrons, Ptychaspis granulosa (62105)
Franconian497.0 - 485.4USA (Montana) Monocheilus demissus, Ptychaspis granulosa (247) Stigmacephalus sp. (246)
Franconian497.0 - 485.4USA (Wisconsin) Briscoia schucherti, Prosaukia anomala (233639)
Franconian497.0 - 485.4USA (Idaho) Ptychaspis sp. (251)
Franconian497.0 - 485.4USA (South Dakota) Idiomesus granti (9744) Monocheilus micros (9736 9737 9738) Prosaukia sp., Ptychaspis miniscaensis (9734) Ptychaspis bullasa, Monocheilus micros (9739) Ptychaspis miniscaensis (9747 9748) Ptychaspis miniscaensis, Monocheilus micros (9745 9751) Ptychaspis sp. (9740 9741 9743) Ptychaspis sp., Prosaukia misa (9749)
Franconian - Trempealeauan497.0 - 485.4Australia (Queensland) Lophosaukia torquata (198276 198280 198282 198283)
Furongian497.0 - 485.4South Korea Asioptychaspis subglobosa (232035) Changia sp., Lophosaukia sp., Quadraticephalus elongatus, Hamashania pulchera (232039) Hamashania busiris, Ptychaspididae indet., Quadraticephalus elongatus, Lophosaukia orientalis, Hamashania pulchera (232038) Hamashania pulchra, Quadraticephalus elongatus, Lophosaukia orientalis (232036) Ptychaspididae indet., Asioptychaspis subglobosa (232034) Ptychaspididae indet., Quadraticephalus elongatus, Lophosaukia orientalis, Hamashania pulchera (232037)
Furongian497.0 - 485.4Canada (Alberta) Idiomesus sp. (229379 229380)
Furongian497.0 - 485.4USA (Texas) Berkeia glabellamersa (156269 156277 156278 156284)
Furongian497.0 - 485.4Iran Alborsella sp. (22824) Alborsella stoecklini (186034) Saukia rotunda (22825)
Merioneth497.0 - 485.4USA (Vermont) Keithia schucherti, Idiomesus tantillus (6871) Keithia schucherti, Keithiella raymondi, Prosaukia irrasa (8976)
Paibian - Taoyuanian497.0 - 485.4China (Hunan) Linguisaukia affinis (130015)
Iverian494.0 - 489.5Australia (Queensland) Caznaia sectaris, Prosaukia sp. A (198294) Caznaia sectatrix, Prosaukia sp. A (198295 198298) Caznaia sectatrix, Prosaukia sp.A (198297) Caznaia squamosa (198289 198290 198291 198292) Caznaia squamosa, Caznaia sectatrix, Prosaukia sp. A (198293) Prosaukia sp. (228034 228035 228037)
Sunwaptan493.5 - 487.5USA (New York) Calvinella prethoparia, Euptychaspis typicalis, Prosaukia spinula (257) Euptychaspis sp. indet., Prosaukia spinula (85187) Euptychaspis typicalis, Prosaukia spinula (85185 85186)
Sunwaptan493.5 - 487.5USA (New Mexico) Euptychaspis kirki (203887)
Sunwaptan493.5 - 487.5USA (Nevada) Euptychaspis sp., Saukia sp., Idiomesus sp. (8975)
Sunwaptan493.5 - 487.5USA (Minnesota) Tellerina sp., Dikelocephalus minnesotensis (233637) Walcottaspis vanhornei (233636)
Sunwaptan493.5 - 487.5Canada (Newfoundland and Labrador) Keithia schucherti (81269) Keithia schucherti, Idiomesus levisensis, Idiomesus ultimus, Idiomesus tantillus, Kathleenella maritima (81271) Keithia schucherti, Idiomesus levisensis, Idiomesus ultimus, Idiomesus tantillus, Kathleenella maritima, Keithiella cylindrica (81270) Keithia schucherti, Prosaukia irrasa, Idiomesus ultimus, Kathleenella maritima (81272) Keithia subclavata, Keithiella cylindrica (81285 81286) Keithiella cylindrica (81287) Keithiella depressa (81277 81284)
Sunwaptan493.5 - 487.5USA (Texas) Briscoia hartti (233748) Saukiella junia, Briscoia hartti (233749)
Sunwaptan493.5 - 487.5Canada (Alberta) Briscoia dalyi (81303) Calvinella tenuisculpta, Calvinella procera, Idiomesus intermedius, Macronoda prima, Proricephalus wilcoxensis, Wilcoxaspis bulbosa (54096 81298) Calvinella tenuisculpta, Euptychaspis sp., Wilcoxaspis bulbosa (81301) Euptychaspis typicalis, Prosaukia sp., Saukia imperatrix, Saukiella pepinensis, Proricephalus wilcoxensis, Sunwaptia carinata, Saukiella junia (54094) Euptychaspis typicalis, Saukia imperatrix, Proricephalus wilcoxensis (81297) Idiomesus granti (81304) Keithiella intermedia, Monocheilus truncatus, Idiomesus infimus, Kathleenella frontalis, Princetonella sp., Proricephalus scapane, Dikelocephalus oweni, Briscoia angustilimba, Briscoia dalyi (54093) Keithiella sp., Kathleenella frontalis (81305) Keithiella sp., Monocheilus truncatus, Idiomesus sp. (81307) Monocheilus orestes, Ptychaspis sp., Ptychaspis monsensis, Stigmaspis albertensis, Idiomesus granti, Prosaukia misa, Keithiella depressa (54091) Monocheilus orestes, Ptychaspis sp., Ptychaspis striata, Ptychaspis bullasa, Stigmaspis albertensis, Ptychaspis miniscaensis, Monocheilus micros, Keithiella depressa (64687) Monocheilus orestes, Stigmaspis albertensis, Idiomesus granti, Ptychaspis miniscaensis (54090) Ptychaspis bullasa, Ptychaspis striata, Stigmaspis albertensis, Monocheilus micros (54088) Ptychaspis miniscaensis (81296) Ptychaspis miniscaensis, Keithiella depressa (81306) Ptychaspis sp., Idiomesus greggi, Prosaukia misa (54092) Stigmacephalus oweni (54087 64686) Stigmaspis albertensis (81302)
Sunwaptan493.5 - 487.5USA (Wisconsin) Briscoia pertransversa (233787)
Dolgellian492.5 - 485.4Canada (Quebec) Keithia subclavata (8934) Keithia subclavata, Idiomesus levisensis (8933)
Dolgellian492.5 - 485.4USA (Pennsylvania) Imlerella praecipita (62086 62094 62095)
Dolgellian492.5 - 485.4Iran Mictosaukia rotunda (66872)
Trempealeauan492.5 - 485.4USA (New York) Ptychaspis speciosus, Dicellocephalus hartti (74541) Ptychaspis speciosus, Dicellocephalus tribulus, Dicellocephalus hartti (74540)
Trempealeauan492.5 - 485.4USA (Texas) Calvinella ozarkensis, Euptychaspis kirki, Idiomesus intermedius, Saukiella norwalkensis, Briscoia llanoensis (233747) Calvinella prethoparia, Euptychaspis kirki, Idiomesus intermedius, Macronoda prima, Saukiella serotina, Briscoia llanoensis (219654) Calvinella prethoparia, Euptychaspis kirki, Idiomesus intermedius, Saukiella serotina, Briscoia llanoensis (219652) Calvinella prethoparia, Euptychaspis kirki, Keithiella patula, Saukiella serotina (219655) Calvinella prethoparia, Euptychaspis kirki, Saukia imperatrix, Saukiella planata, Idiomesus intermedius, Saukiella serotina, Briscoia llanoensis (219648) Calvinella procera, Saukiella serotina (219656) Calvinella tenuisculpta, Euptychaspis kirki, Idiomesus intermedius, Macronoda prima, Saukiella serotina, Briscoia llanoensis (219653) Dikelocephalus sp., Elkia sp., Euptychaspis frontalis, Keithiella scrupulosa, Monocheilus truncatus, Saukiella fallax, Idiomesus levisensis (216017) Dikelocephalus sp., Euptychaspis frontalis, Keithiella scrupulosa, Monocheilus truncatus, Saukiella fallax, Idiomesus levisensis (216018) Euptychaspis jugalis, Saukiella junia var. B Winston and Nicholls 1967, Saukiella junia (219678) Euptychaspis kirki (216014) Euptychaspis kirki, Keithiella patula, Briscoia llanoensis (216015) Euptychaspis kirki, Saukia imperatrix, Saukiella serotina, Briscoia llanoensis (219651) Euptychaspis typicalis, Saukiella junia var. B Winston and Nicholls 1967, Saukiella junia (219679) Idiomesus levisensis (216016) Saukiella norwalkensis, Briscoia llanoensis (233745) Saukiella serotina (219657)
Trempealeauan492.5 - 485.4Canada (Alberta) Idiomesus intermedius (54119)
Trempealeauan492.5 - 485.4USA (South Dakota) Briscoia dalyi (9759) Briscoia sp., Briscoia dalyi (9758) Dikelocephalus minnesotensis (9753 9755) Monocheilus truncatus, Prosaukia species unidentified No. 1, Idiomesus infimus, Briscoia dalyi (9756) Monocheilus truncatus, Saukiella sp., Idiomesus infimus, Saukiella pyrene, Briscoia angustilimba (9763) Saukiella pyrene (9754 9757 9779)
Trempealeauan492.5 - 485.4USA (Nevada) Calvinella tenuisculpta, Elkia nasuta, Euptychaspis kirki, Tellerina marica, Idiomesus sp., Briscoia nevadensis (233789) Euptychaspis indet., Macronoda indet. (50831) Euptychaspis sp. (204002) Euptychaspis sp., Saukiella sp., Idiomesus sp. (203998)
Trempealeauan492.5 - 485.4USA (Wyoming) Briscoia sp. (9770) Monocheilus truncatus (9767) Saukiella pyrene (9771)
Trempealeauan492.5 - 485.4USA (Wisconsin) Calvinella wisconsinensis, Dikelocephalus minnesotensis (54180) Dikelocephalus sp., Saukia sp. (255) Dikelocephalus sp., Saukia sp., Saukiella sp., Tellerina sp. (256)
Trempealeauan492.5 - 485.4USA (Utah) Euptychaspis sp., Prosaukia sp., Saukia sp., Saukiella sp., Idiomesus sp. (259)
Trempealeauan492.5 - 485.4USA (Colorado) Saukia coloradoensis (233788)
Trempealeauan492.5 - 485.4Canada (Newfoundland and Labrador) Idiomesus sp. (105858)
Trempealeauan492.5 - 485.4Canada (Quebec) Keithia similis, Keithiella cylindrica, Keithiella brevis (224137) Keithia subclavata (224141 224144 224150) Keithia subclavata, Keithiella cylindrica (224138 224139 224140) Keithiella depressa (224146) Pterocephalops acrophthalma (224148)
Trempealeauan492.5 - 485.4Canada (Yukon) Calvinella prethoparia, Euptychaspis kirki, Prosaukia sp. (55313) Calvinella prethoparia, Idiomesus intermedius, Kathleenella subula (55285 55311) Idiomesus levisensis, Parabriscoia elegans (55307) Kathleenella hamulata, Plectrella yukonensis (55308) Kathleenella subula (55312) Kathleenella subula, Plectrella yukonensis (55310) Parabriscoia elegans (55305)
Trempealeauan492.5 - 485.4Canada (Newfoundland) Calvinella tenuisculpta (196017)
Trempealeauan492.5 - 485.4USA (Missouri) Calvinella n. sp. (8905) Calvinella ozarkensis (8693 8700 93582) Calvinella sp. (49504)
Batyrbaian491.5 - 485.4Kazakhstan Lophosaukia rectangulata (118905 118906 118907 118908 118909 118910) Prosaukia paiensis (118901) Prosaukia paiensis, Saukiella baikadamica (118895 118898 118904) Saukiella baikadamica (118892 118894 118897 118899 118902)
Payntonian489.5 - 488.3Australia (Northern Territory) Anderssonella sp., Lophosaukia sp., Quadraticephalus sp., Tellerina sp. (77530) Calvinella sp., Coreanocephalus sp., Lophosaukia sp., Mictosaukia sp., Quadraticephalus sp., Tellerina sp. (77416) Coreanocephalus sp. (77435) Coreanocephalus sp., Mictosaukia sp., Saukia sp. (77438) Lophosaukia sp., Mictosaukia sp., Tellerina sp. (77421) Lophosaukia sp., Quadraticephalus sp. (77649) Mictosaukia sp. (77440) Mictosaukia sp., Tellerina sp. (77420) Prosaukia misa (77439)
Payntonian489.5 - 488.3Australia (Tasmania) Diemanosaukia miserabilis (119430) Saukia blissetti, Diemanosaukia miserabilis (119429)
Niuchehean489.5 - 485.4Turkey Mictosaukia rotundata (133723)
Niuchehean489.5 - 485.4China (Henan) Changia sp. (129220) Changia sp., Prosaukia sp., Changia chinensis (129219) Changia sp., Prosaukia sp., Mictosaukia luanhensis (129217) Prosaukia sp. (129218)
Niuchehean489.5 - 485.4China (Hunan) Linguisaukia affinis (107329 126679 126726 130104) Lophosaukia jiangnanensis (107327) Mictosaukia combinata (126723) Mictosaukia sp., Mictosaukia striata (126730) Saukia sp. (130105)
Niuchehean489.5 - 485.4China (Hebei) Mictosaukia luanhensis, Mictosaukia orientalis (129659) Quadraticephalus sp. (129619)
Niuchehean489.5 - 485.4China (Anhui) Anderssonella sp. (127322) Changia sp., Saukia jingxianensis, Pseudocalvinella spinosa (127321) Mictosaukia maculata (127534) Mictosaukia sp., Saukia sp. (127536)
Niuchehean489.5 - 485.4China (Jilin) Calvinella micropora (156904) Calvinella micropora, Calvinella triangula, Mictosaukia angustilimbata, Mictosaukia striata, Mictosaukia orientalis (156907) Mictosaukia striata, Mictosaukia orientalis (156905)
Niuchehean489.5 - 485.4China (Zhejiang) Lophosaukia jiangnanensis (125701 125702)
Niuchehean489.5 - 485.4China (Jilin Provence) Calvinella micropora (156898) Calvinella micropora, Mictosaukia angustilimbata (156900) Calvinella micropora, Mictosaukia striata, Mictosaukia orientalis (156906) Mictosaukia sp. (156912) Mictosaukia striata (156909) Saukia acrofronsa (156924)
Skullrockian487.5 - 482.3USA (Texas) Euptychaspis typicalis, Saukia tumida, Saukiella junia var. B Winston and Nicholls 1967, Saukiella junia (219680) Saukiella junia var. B Winston and Nicholls 1967, Saukiella junia (219681)
Skullrockian487.5 - 482.3Canada (Alberta) Briscoia sinclairensis (233707)
Skullrockian487.5 - 482.3Canada (British Columbia) Briscoia sinclairensis (233704 233705)
Tremadoc486.5 - 477.7Mexico (Oaxaca) Saukia globosa (9826 9841 9846)
Tremadoc486.5 - 477.7Russian Federation (Siberia) Saukiella sp. (9231)
Tremadoc486.5 - 477.7Antarctica Saukiidae indet. (116174)
Tremadoc486.5 - 477.7China (HeNan) Changia sp. (20767)
Mansian485.4 - 485.0Russian Federation (Siberia) Calvinella sp. (9273) Saukiella sp. (9280)
Warendian485.4 - 478.6Australia (Northern Territory) Quadraticephalus sp. (77712)
Tremadocian485.4 - 477.7Canada (Newfoundland and Labrador) Idiomesus intermedius (81290) Idiomesus intermedius, Idiomesus tantillus, Plectrella yukonensis (81289)
Tremadocian485.4 - 477.7Canada (Yukon) Calvinella prethoparia, Idiomesus intermedius (55315)