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495:. The mandibles are very large and well developed with a scythe-shaped appearance in side view and notably narrow bases. The holotype is overall approximately 3.2 millimetres (0.13 in) with small oval shaped
324:, specimen number "UASM 332546" donated for study by Mark Elaschuk. At the time of description, the specimen was residing in the Strickland Entomology Museum, part of the
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has an elongated third antennomere and a bulb shaped terminal flagellomere, while the antennae have an overall coating of short inclined setae.
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including two long trigger setae. The antennae are distinct in having a total of twelve segments, in contrast to the eleven segments seen in
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603:"A new genus of hell ants from the Cretaceous (Hymenoptera: Formicidae: Haidomyrmecini) with a novel head structure"
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meaning "end or boundary" in allusion to the genus being the last member of the tribe
Haidomyrmecini to live. The
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352:, Canada. Canadian amber has been dated to an age of approximately 79β78 million years old, placing it in the
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551:"A new trap-jawed ant (Hymenoptera: Formicidae: Haidomyrmecini) from Canadian Late Cretaceous amber"
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of the Late
Cretaceous. Analysis of the amber composition indicates it originated as
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is one of five ant species described from the Grassy Lake site, the others being
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The fossil was first studied by paleoentomologists Ryan C. McKellar and
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resins which were deposited in lagoons and salt water marshes along the
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of the new genus and species was published in the journal
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McKellar, R. C.; Glasier, J. R. N.; Engel, M. S. (2013).
328:. The holotype specimen is composed of a mostly complete
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601:Barden, P; Herhold, H. W.; Grimaldi, D. A. (2017).
507:has a concave structure sporting several larger
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309:fossil which has been found in North America.
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344:specimen was recovered from deposits of the
332:adult female which has been preserved as an
320:is known from a solitary adult fossil, the
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417:was coined by them as a combination of
336:in a transparent chunk of clear yellow
489:has a similar structure to species of
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909:Prehistoric insects of North America
861:9D98C612-2FD4-4DB5-8B69-D082056CD86F
848:A05D87FE-CA10-FFCE-7BAB-F9ABD9D8470F
742:B4D25297-165E-4F17-B21E-16E614AA4976
268:McKellar, Glasier, & Engel, 2013
228:McKellar, Glasier, & Engel, 2013
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445:' distinct columnar appearance.
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919:Taxa named by Michael S. Engel
1:
894:Fossil taxa described in 2013
427:for Haidomyrmecini, and the
884:Monotypic fossil ant genera
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313:History and classification
389:Cananeuretus occidentalis
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129:Scientific classification
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362:Western Interior Seaway
371:Sphecomyrma canadensis
305:and is known from one
830:Paleobiology Database
724:Paleobiology Database
607:Systematic Entomology
558:Canadian Entomologist
503:in low numbers. The
326:University of Alberta
16:Extinct genus of ants
674:Haidoterminus cippus
656:at Wikimedia Commons
653:Haidoterminus cippus
499:made up of a larger
401:University of Kansas
377:Eotapinoma macalpini
350:Grassy Lake, Alberta
302:Haidoterminus cippus
262:Haidoterminus cippus
121:Haidoterminus cippus
619:2017SysEn..42..837B
570:10.4039/tce.2013.23
410:Canadian Entomology
889:Cretaceous insects
628:10.1111/syen.12253
346:Foremost Formation
899:Insects of Canada
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817:Open Tree of Life
666:Taxon identifiers
650:Media related to
413:. The genus name
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397:Michael S. Engel
383:Canapone dentata
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29:Temporal range:
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513:Haidomyrmex
492:Haidomyrmex
477:Description
464:Haidomyrmex
420:Haidomyrmex
202:Subfamily:
186:Hymenoptera
878:Categories
579:1808/14425
527:References
425:type genus
295:subfamily
293:Formicidae
196:Formicidae
166:Arthropoda
769:Q16938062
689:Q16753242
501:ommatidia
485:holotype
354:Campanian
334:inclusion
234:Species:
152:Kingdom:
146:Eukaryota
123:holotype
33:Campanian
783:38758614
763:Wikidata
703:38758615
683:Wikidata
588:53993056
432:terminus
322:holotype
192:Family:
162:Phylum:
156:Animalia
142:Domain:
856:ZooBank
822:6281911
809:1481581
796:8570782
737:ZooBank
716:8499919
615:Bibcode
505:clypeus
399:of the
291:in the
282:extinct
259:†
238:†
215:Genus:
182:Order:
176:Insecta
172:Class:
100:↓
835:276435
729:276436
586:
487:worker
467:, and
439:cippus
423:, the
386:, and
340:. The
280:is an
843:Plazi
804:IRMNG
584:S2CID
554:(PDF)
515:and
509:setae
429:Latin
348:near
342:amber
285:genus
791:GBIF
711:GBIF
481:The
39:Preκ
778:EoL
698:EoL
623:doi
574:hdl
566:doi
562:145
289:ant
287:of
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89:Pg
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568::
219:β
206:β
94:N
84:K
79:J
74:T
69:P
64:C
59:D
54:S
49:O
44:κ
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