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is notably smaller, being approximately 15.4 mm (0.61 in) and only about 4.0 mm (0.16 in) wide. Both wings have a dark coloration, light veins of varying width, and numerous cross-veins. The wings are distinguished from other
Susumanioidea members by both the CuA, apical cubitus
423:
The fossils were described by
Archibald and Bradler as the youngest members of the Phasmatodea stem group lineage Susumanioidea. Prior to the 2015 paper, the oldest Susumanioidea were Chinese fossils dating to the Jurassic, while the youngest member of the superfamily dated to the Paleocene
428:
in
Alberta, Canada. Due to the incomplete nature of the McAbee fossils, it was not possible for Archibald and Bradler to distinguish them from the Canadian fossils, which are also incomplete. Phylogenetic analysis of Susumanioidea published by Yang
514:
Archibald, SB; Bradler, S (2015). "Stem-group stick insects (Phasmatodea) in the early Eocene at McAbee, British
Columbia, Canada, and Republic, Washington, United States of America".
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At the time of description, the species type series consisted of the holotype specimen, SR 12-004-007 and paratype specimen SR 93-10-02 were preserved in the
639:
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399:. All the insects were first studied by Canadian entomologist S Bruce Archibald and German entomologist Sven Bradler, with their 2015
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fossil collections. The three
Susumanioidea fossils, part/counterpart F-846 and F-951 plus F-1392 and F-1393 are deposited in the
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for the species, with the holotype recovered from the "Boot hill" site #B4131, and the paratype from the "Corner lot" site #A0307.
395:. The counterpart specimen F-1099 is also in the Thompson Rivers University collections, while the part side, PB-3825 is at the
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is in honor of Keir
Hichens, who first found the specimen in 2012 and donated it to the Stonerose Interpretive Center.
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forewing is 22 mm (0.87 in) long and has an estimated width of 5.5 mm (0.22 in). The
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407:. Archibald and Bradler noted the genus name to be a combination of "eo", from Eocene, "pre" and "
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specimens are both well preserved, though partial, forewings. The overall length of the
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551:"Early specializations for mimicry and defense in a Jurassic stick insect"
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Yang, H.; Shi, C.; Engel, M. S.; Zhao, Z.; Ren, D.; Gao, T. (2021).
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vein, and the CuPα, posterior cubitus alpha vein, being forked.
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of the new genus and species being published in the journal
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rock. Along with other well preserved insect fossils, the
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wing were recovered from the Tom Thumb Tuff member of the
356:. The partial Susumanioidea specimens were found in the
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belonging to the
Kamloops group that outcrops at the
304:. When first described there was a single named
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326:was known from two isolated wings which are
397:Burke Museum of Natural History and Culture
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338:specimens were collected from layers of
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620:Prehistoric insects of North America
640:Paleontology in Washington (state)
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433:(2021) resulted in placement of
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328:compression-impression fossils
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635:Fossil taxa described in 2015
463:, Cretaceous sister taxon to
389:Stonerose Interpretive Center
330:preserved in a layer of soft
265:Archibald & Bradler, 2015
225:Archibald & Bradler, 2015
610:Fossils of the United States
615:Fossils of British Columbia
374:Klondike Mountain Formation
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393:Thompson Rivers University
318:History and classification
630:Insects described in 2015
516:The Canadian Entomologist
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123:Scientific classification
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380:which is designated the
354:British Columbia, Canada
27:Extinct genus of insects
555:National Science Review
437:as the sister group to
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296:known from a group of
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477:Eoprephasma hichensi
378:Republic, Washington
358:Tranquille Formation
311:Eoprephasma hichensi
259:Eoprephasma hichensi
18:Eoprephasma hichensi
567:10.1093/nsr/nwaa056
405:Canadian Entomology
625:Phasmatodea genera
528:10.4039/tce.2015.2
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426:Paskapoo Formation
362:McAbee Fossil Beds
300:fossils found in
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16:(Redirected from
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605:Ypresian insects
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460:Renphasma sinica
443:deep within the
415:specific epithet
401:type description
322:When described,
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238:E. hichensi
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40:Temporal range:
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561:(1): nwaa056.
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449:Susumaniinae
445:Susumaniidae
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294:Susumaniinae
286:stick insect
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206:Susumaniinae
193:Susumaniidae
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471:Description
465:Eoprephasma
435:Eoprephasma
370:E. hichensi
345:Lagerstätte
336:Eoprephasma
332:sedimentary
324:Eoprephasma
274:Eoprephasma
220:Eoprephasma
199:Subfamily:
180:Phasmatodea
36:Eoprephasma
599:Categories
492:References
447:subfamily
368:. The two
350:Washington
292:subfamily
290:susumaniid
160:Arthropoda
440:Renphasma
231:Species:
146:Kingdom:
140:Eukaryota
585:34691548
536:86608533
485:paratype
481:holotype
418:hichensi
340:Ypresian
186:Family:
156:Phylum:
150:Animalia
136:Domain:
44:Ypresian
576:8288419
306:species
288:in the
279:extinct
256:†
235:†
212:Genus:
176:Order:
170:Insecta
166:Class:
111:↓
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410:Phasma
298:Eocene
277:is an
532:S2CID
431:et al
364:near
282:genus
581:PMID
475:The
342:age
50:PreꞒ
571:PMC
563:doi
524:doi
520:147
376:in
284:of
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500:^
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308:,
100:Pg
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559:8
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216:†
203:†
190:†
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:Ꞓ
20:)
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