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The holotype female is fossilized with her underside facing up. Portions of all but two of the legs are missing from the fossil. The carapace of the holotype is 9.31 by 6.83 millimetres (0.367 by 0.269 in) and the
695:
is 15.36 by 9.5 millimetres (0.605 by 0.374 in). The total body length is approximately 24.6 millimetres (0.97 in) while the front legs reach about 56.5 millimetres (2.22 in) in length. This puts
1041:
J. Wunderlich. 2015. On the evolution and the classification of spiders, the
Mesozoic spider faunas, and descriptions of new Cretaceous taxa mainly in amber from Myanmar (Burma) (Arachnida: Araneae).
1060:
950:
Xiaodong Cheng; Sizhao Liu; Wenjuan Huang; Li Liu; Hongming Li; Yinxian Li (2019). "A new species of
Mongolarachnidae from the Yixian Formation of western Liaoning, China".
1116:
915:
Kuntner, M; Arnedo, M. A.; Trontelj, P.; Lokovše, T; Agnarsson, I. (2013). "A molecular phylogeny of nephilid spiders: Evolutionary history of a model lineage".
472:. The fossil specimens are from outcrops of the Jiulongshan Formation exposed in the Wuhua Township. The type specimens is currently preserved in the
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1103:
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615:(2013) in an academic conference presentation following the description of the species Paul Selden (the first author of the description of
347:, described in 2013, which is presently the largest fossilized spider on record. The type species was originally described as
497:
1236:
611:
in many anatomical traits and cannot be assigned to this genus, or indeed to the family
Nephilidae. According to Kuntner
654:
This assessment was confirmed later in 2013 by Paul Selden, ChungKun Shih, and Dong Ren, with the description of a male
150:
1211:
414:
712:, which are also found on the other three tibia. The feature of a gaiter on the third tibia is found only in modern
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male, number CNU-ARA-NN2011001-1 (part) and CNU-ARA-NN20110001-2 (counterpart). The individuals are preserved as
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997:
1221:
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666:, which they assigned to a separate family Mongolarachnidae. The authors considered it most likely that
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746:
566:
390:
460:, specimen number "CNU-ARA-NN2010008" which is a mostly complete adult female and the later described
959:
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787:"A giant spider from the Jurassic of China reveals greater diversity of the orbicularian stem group"
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244:
996:
Paul A. Selden; Alison N. Olcott; Matt R. Downen; Dong Ren; Chungkun Shih; Xiaodong Cheng (2019).
461:
1024:
584:
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1134:
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Mesozoic
Spiders (Araneae): Ancient Spider Faunas and Spider Evolution, Beiträge zur Araneologie
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The allotopotype male has a body length of 16.54 millimetres (0.651 in) with elongated
651:". The authors considered it more likely that this species is actually a stem-orbicularian.
402:
506:
473:
387:
41:
500:
along with Dong Ren and ChungKun Shih both of the
Capital Normal University. Their 2011
418:, was described in 2019, but it was subsequently shown to be a forgery based on a fossil
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720:, its presence along with the large size indicated the species was part of the genus.
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lacked a striated cheliceral boss, which the authors considered to be "a key nephilid
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442:
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222:
79:
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the largest described fossil spider. The tibia of the third leg features tufts of
648:
548:, extending the known fossil range of the genus back 130 million years. and making
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themselves considered the presence of cribellum to be a piece of evidence that
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the longest lived modern spider genus known. However, with the removal of
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meaning "spider". The family name is a derivative of the genus name.
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which has notably different pedipalp morphology from that of male
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578:. The oldest recognized member of the family Nephilidae is the
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1002:, from the Cretaceous Yixian Formation of China, is a crayfish"
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would have made it the oldest described species of the genus
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of the genus and species was published online in the journal
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is a stem-orbicularian, more distantly related to the group
588:
of Spain. Fossils of female specimens are known only from
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and, according to the original authors of description of
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was not in fact a nephilid. The authors suggested that
529:) Mongolia, where the fossils were found, and the Latin
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Key Lab of Insect
Evolution & Environmental Changes
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females in the same size range as modern females of
301:
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859:"A golden orb-weaver spider (Araneae: Nephilidae:
662:. The authors moved the species to the new genus
521:refers to the age of the species. The genus name
910:
908:
906:
749:, largest known spider in the world by leg span
757:, a huntsman spider found in Israel and Jordan
136:Pair of male (left) and female (right) fossil
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743:), largest known spider in the world by mass
468:in a pale grey finely laminated sedimentary
370:-orbicularian, i.e. a relative of the group
857:Selden, P. A.; Shih, C.K.; Ren, D. (2011).
785:Selden, P. A.; Shih, C.K.; Ren, D. (2013).
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127:
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607:differs from extant members of the genus
492:was first studied by Paul Selden of the
952:Acta Geologica Sinica (English Edition)
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536:If it had been confirmed, placement of
341:. The genus contains only one species,
917:Molecular Phylogenetics and Evolution
386:. The species is known only from the
366:Subsequently it was determined to be
7:
863:) from the Middle Jurassic of China"
456:is known only from two fossils, the
25:
599:was first questioned by Kuntner
1021:10.11646/palaeoentomology.2.5.15
149:
445:into Mongolarachnidae in 2015.
353:and placed in the living genus
631:and the only known cribellate
1:
1217:Fossil taxa described in 2011
1227:Prehistoric animals of China
308:Selden, Shih & Ren, 2013
288:Selden, Shih & Ren, 2011
270:Selden, Shih & Ren, 2013
1232:Prehistoric arachnid genera
1061:Biggest Fossil Spider Found
1000:Mongolarachne chaoyangensis
998:"The supposed giant spider
929:10.1016/j.ympev.2013.06.008
674:(including nephilids) than
415:Mongolarachne chaoyangensis
412:A second putative species,
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603:in 2013, who claimed that
476:collections housed in the
449:History and classification
811:10.1007/s00114-013-1121-7
478:Capital Normal University
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146:Scientific classification
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27:Extinct genus of spiders
1147:Mongolarachne jurassica
983:10.1111/1755-6724.14580
972:10.1111/1755-6724.13780
538:Mongolarachne jurassica
490:Mongolarachne jurassica
454:Mongolarachne jurassica
425:Jorg Wunderlich placed
361:golden silk orb-weavers
344:Mongolarachne jurassica
138:Mongolarachne jurassica
879:10.1098/rsbl.2011.0228
556:the oldest species in
498:Natural History Museum
397:, near the village of
1184:Paleobiology Database
1130:Paleobiology Database
977:(Retracted, see
747:Giant huntsman spider
391:Jiulongshan Formation
1237:Araneomorphae genera
710:setae called gaiters
585:Cretaraneus vilaltae
576:Florissant Formation
494:University of Kansas
964:2019AcGlS..93..227C
803:2013NW....100.1171S
791:Naturwissenschaften
754:Cerbalus aravaensis
466:compression fossils
359:which contains the
1212:Jurassic arachnids
567:Nephila pennatipes
1199:
1198:
1072:Taxon identifiers
797:(12): 1171–1181.
741:Theraphosa blondi
737:Goliath birdeater
619:) suggested that
595:The placement of
525:is derived from (
380:Theridiosomatidae
350:Nephila jurassica
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40:Temporal range:
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277:Type species
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219:Infraorder:
137:
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693:opisthosoma
686:Description
635:. Kuntner
605:M jurassica
562:Late Eocene
376:Theridiidae
335:monogeneric
193:Chelicerata
189:Subphylum:
1206:Categories
762:References
672:Araneoidea
625:cribellate
580:Cretaceous
439:Cenomanian
384:Uloboridae
183:Arthropoda
1162:Q32999707
1095:Q22950039
1029:208124459
725:pedipalps
680:uloborids
676:deinopids
623:might be
519:jurassica
512:etymology
437:from the
203:Arachnida
169:Kingdom:
163:Eukaryota
47:164
1156:Wikidata
1089:Wikidata
937:23811436
897:21508021
829:24317464
731:See also
633:araneoid
582:species
572:Colorado
564:species
496:and the
458:holotype
420:crayfish
399:Daohugou
294:Species
229:Family:
179:Phylum:
173:Animalia
159:Domain:
1176:8585634
1122:1482688
1109:8485971
1048::21-408
960:Bibcode
888:3169061
861:Nephila
820:3889289
799:Bibcode
714:Nephila
702:Nephila
660:Nephila
629:Nephila
609:Nephila
558:Nephila
550:Nephila
546:Nephila
542:Nephila
531:arachne
514:of the
510:. The
482:Beijing
356:Nephila
337:family
331:spiders
324:extinct
257:Genus:
213:Araneae
209:Order:
199:Class:
116:↓
1189:286647
1135:286646
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637:et al.
613:et al.
601:et al.
322:is an
251:, 2013
247:&
241:Selden
1117:IRMNG
1025:S2CID
1005:(PDF)
682:are.
570:from
527:Inner
486:China
441:aged
407:China
327:genus
1171:GBIF
1104:GBIF
933:PMID
893:PMID
825:PMID
678:and
470:tuff
431:and
368:stem
245:Shih
55:PreꞒ
1017:doi
979:doi
968:doi
925:doi
883:PMC
875:doi
815:PMC
807:doi
795:100
574:'s
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249:Ren
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110:N
100:K
95:J
90:T
85:P
80:C
75:D
70:S
65:O
60:Ꞓ
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