Where: Kachin, Myanmar (26.4° N, 96.7° E: paleocoordinates 12.4° N, 93.8° E)
• coordinate stated in text
When: Early/Lower Cenomanian (99.6 - 93.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; amber
Size class: mesofossils
Preservation: soft parts, amber
Reposited in the AMNH
Collection methods: quarrying,
• In private collection of James Zigras, available for study through the Division of Invertebrate Zoology, American Museum of Natural History, New York.
Primary reference: D. A. Grimaldi, A. Arillo, J. M. Cumming and M. Hauser. 2011. Brachyceran Diptera (Insecta) in Cretaceous ambers, Part IV, significant new Orthorrhaphous Taxa. ZooKeys 148:293-332 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 123113: authorized by Matthew Clapham, entered by Matthew Clapham on 11.01.2012, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Insecta | |
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Parapolycentropus paraburmiticus21 Grimaldi and Rasnitsyn 2005 scorpionfly JZC BU273, 80-82, 148, 542A, 1433A, 1433B, 274, 525, 590, no #, 1192
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Burmomerope eureka n. gen. n. sp.20
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Pristinofossor rictus n. gen. n. sp.1
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Adelpholeon lithophorus n. gen. n. sp.1
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Macleodiella electrina n. gen. n. sp.1
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Burmonyx zigrasi n. gen. n. sp.7
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Cretakarenni birmanicus n. gen. n. sp.24
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Gerontoformica sp.5, "Sphecomyrmodes rugosus n. sp." = Gerontoformica rugosa4, "Sphecomyrmodes robustus n. sp." = Gerontoformica robusta4, "Sphecomyrmodes gracilis n. sp." = Gerontoformica gracilis4, "Sphecomyrmodes pilosus n. sp." = Gerontoformica pilosa4, "Sphecomyrmodes contegus n. sp." = Gerontoformica contega4, "Sphecomyrmodes spiralis n. sp." = Gerontoformica spiralis4, "Sphecomyrmodes magnus n. sp." = Gerontoformica magna4, "Sphecomyrmodes subcuspis n. sp." = Gerontoformica subcuspis4, "Sphecomyrmodes tendir n. sp." = Gerontoformica tendir4, "Gerontoformica maraudera n. sp." = Myanmyrma maraudera5, Haidomyrmex zigrasi n. sp.2, Zigrasimecia tonsora n. gen. n. sp.3
Gerontoformica sp.5 Nel and Perrault 2004 ant JZC Bu313, 318, 1821; Bu1645A-U (mostly G. orientalis, but also G. contegus and G. robustus)
"Sphecomyrmodes robustus n. sp." = Gerontoformica robusta4 Barden and Grimaldi 2014 ant JZC Bu223A, 106, 223B
"Sphecomyrmodes gracilis n. sp." = Gerontoformica gracilis4 Barden and Grimaldi 2014 ant JZC Bu324A, B
"Sphecomyrmodes contegus n. sp." = Gerontoformica contega4 Barden and Grimaldi 2014 ant JZC Bu300A, 115A
"Sphecomyrmodes spiralis n. sp." = Gerontoformica spiralis4 Barden and Grimaldi 2014 ant JZC Bu222A, 224, 111, 401, 12, 105A, 302A; 1814A-F, 116A-J,L, 1646B in Barden & Grimaldi 2016
"Sphecomyrmodes magnus n. sp." = Gerontoformica magna4 Barden and Grimaldi 2014 ant JZC Bu108A, 114, 343
"Sphecomyrmodes subcuspis n. sp." = Gerontoformica subcuspis4 Barden and Grimaldi 2014 ant JZC Bu304, 305, 121A
"Sphecomyrmodes tendir n. sp." = Gerontoformica tendir4 Barden and Grimaldi 2014 ant JZC Bu303A, 303B; Bu1646A in Barden & Grimaldi 2016
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Kronostephanus zigrasi n. gen. n. sp.17
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Zoropelecinus zigrasi n. gen. n. sp.16
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Zigrasolabis speciosa n. gen. n. sp.14
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Eucaudomyia longicerci n. gen. n. sp.18
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"Cyclorrhapha indet." = Cyclorrhapha19
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Alavesia sp.26, Alavesia zigrasi n. sp.26, "Alavesia longicornuta n. sp." = Alavesia (Pennonalavesia) longicornuta26
"Alavesia longicornuta n. sp." = Alavesia (Pennonalavesia) longicornuta26 Sinclair and Grimaldi 2020 fly JZC Bu-556
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Hilarimorphites cummingi n. sp.18
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Mysteromyia plumosa n. gen. n. sp.18
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Hirmoneura zigrasi n. sp.18
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Tethepomyia zigrasi n. sp.
Tethepomyia zigrasi n. sp. Grimaldi and Arillo 2011 fly | |
Arachnida | |
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Kronocharon prendinii n. gen. n. sp.15
Kronocharon prendinii n. gen. n. sp.15 Engel and Grimaldi 2014 whip spider JZC Bu150 (femaly holotype and three nymphs)
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Reptilia | |
Squamata indet.9 squamates JZC Bu267, intact body including epidermis, soft tissues, and tongue tip; JZC Bu269, hollow body cavity with multicarinate scaled epidermis, some tooth-bearing bones retained; JZC Bu1848, integument, with some skeletal elements and internal organs preserved
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Gekkota indet.9 squamates JZCBu1847, hindquarters of large gecko; JCZBu1802, entire skull plus vertebral column and some limb and pelvic bones
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Amphibia | |
Yaksha perettii8 Daza et al. 2020 tetrapod JZC Bu154, small neonate with integument and most of the skeleton preserved
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