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Xiphosura - Xiphosurida

Synonymy list
YearName and author
2007Pantetrapulmonata Shultz
2014Pantetrapulmonata Garwood and Dunlop p. 22

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
orderXiphosuridaLatreille 1802
SclerophorataKamenz et al. 2011
classArachnidaLamarck 1801

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.

No diagnoses are available
No measurements are available
Composition: chitinc
Grouping: solitaryc
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: nektobenthicc
Diet: carnivorec
Vision: limitedo
Created: 2017-04-17 09:55:58
Modified: 2017-04-17 09:55:58
Source: o = order, c = class
References: Bambach et al. 2007, Jell and Adrain 2002, Bush and Bambach 2015

Age range

Maximum range based only on fossils: base of the Pridoli to the top of the Holocene or 423.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 419.2 Ma

Collections (417 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Pridoli423.0 - 419.2United Kingdom (England) Trigonotarbida indet. (11128)
Lochkovian419.2 - 410.8United Kingdom Arianrhoda bennetti (153478)
Pragian410.8 - 407.6Germany Spinocharinus steinmeyeri, Archaeomartus levis (155760) Trigonotarbida indet. (152107)
Pragian410.8 - 407.6United Kingdom (Scotland) Palaeocharinus sp. (153498) Palaeocharinus sp., Palaeocharinoides hornei, Palaeocharinus rhyniensis, Palaeocharinus scourfieldi, Palaeocharinus calmani (172777) Palaeocharinus sp., Palaeocteniza crassipes (172778) Palaeocharinus tuberculatus (153492)
Pragian - Emsian410.8 - 393.3United Kingdom (Scotland) Palaeocharinoides sp., Palaeocharinus rhyniensis, Palaeocharinus kidstoni (10721)
Early/Lower Emsian409.1 - 402.5Germany Alkenia mirabilis (155774) Archaeomartus levis, Alkenia mirabilis (155757) Trigonotarbus stoermeri (172343) Xenarachne willwerathensis (155775)
Early/Lower Emsian409.1 - 402.5Germany (Alken) Alkenia mirabilis, Archaeomartus tuberculatus (27049)
Early/Lower Givetian388.1 - 383.7USA (New York) Attercopus fimbriungus (28295) Gelasinotarbus fimbriunguis, Gilboarachne griersoni, Gelasinotarbus reticulatus, Gelasinotarbus bonamoae (153480)
Givetian387.7 - 382.7USA (New York) Attercopus fimbriunguis, Ecchosis pulchribothrium, Gilboarachne griersoni, Gelasinotarbus reticulatus, Gelasinotarbus bonamoae, Gelasinotarbus bifidus, Gelasinotarbus heptops, Aculeatarbus depressus (28246) Gelasinotarbus fimbriunguis, Gilboarachne griersoni, Gelasinotarbus reticulatus, Gelasinotarbus bonamoae (21172)
Late/Upper Famennian364.7 - 360.7USA (Pennsylvania) Gigantocharinus szatmaryi (35044)
Chadian345.3 - 345.0USA (Virginia) Trigonomartus whitei (155455)
Asbian339.4 - 336.0Germany Cryptomartus sp. (156764)
Brigantian336.0 - 326.4Germany Anthracomartus sp., Trigonomartus pustulatus (153594)
Brigantian - Serpukhovian336.0 - 323.2Canada (Nova Scotia) Anthracomartus sp. (155663)
Arnsbergian326.4 - 318.1Czech Republic Euphrynus salmi (38971)
Bashkirian323.2 - 315.2Russian Federation Arthrolycosa sp. B (149705)
Alportian318.1 - 314.6Austria Aphantomartus pustulatus (153488)
Marsdenian318.1 - 314.6Germany (Ruhr) Eophrynus udus (155259) Prothelyphonus naufragus (110939) Trigonotarbus johnsoni (152121)
Morrowan318.1 - 314.6USA (Arkansas) Anthracomartus trilobitus (153485)
Westphalian A318.1 - 314.6United Kingdom (Lancashire) Geralinura britannica (172765) Maiocercus orbicularis (153490)