Florissant (AMNH Collection) (Eocene of the United States)

Where: Teller County, Colorado (38.9° N, 105.3° W: paleocoordinates 40.4° N, 97.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Florissant Formation, Chadronian (37.2 - 33.9 Ma)

Environment/lithology: lacustrine - large; lithified, diatomaceous, tuffaceous shale

• "shales"

Size class: mesofossils

Preservation: adpression

Collected by Sternberg, Duce, Rusk in 1909; reposited in the AMNH

• Some material possibly collected by Cockerell et al.

Primary reference: A. L. Melander. 1949. A Report on Some Miocene Diptera from Florissant, Colorado. American Museum Novitates 1407:1-61 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123119: authorized by Matthew Clapham, entered by Matthew Clapham on 11.01.2012, edited by April Kinchloe and Amy Delelli

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Odonata - Aeshnidae
Aeshna larvata3
Aeshna larvata3 Scudder 1890 hawker dragonfly
 Ephemeroptera - Ephemeridae
Ephemera howarthi3
Ephemera howarthi3 Cockerell 1908 burrowing mayfly
 Hymenoptera - Tenthredinidae
Eriocampa pristina n. sp.3
Eriocampa pristina n. sp.3 Cockerell 1910 wood wasp
AMNH 10314
 Hymenoptera - Braconidae
Microplitis vesperus n. sp.1, Chelonus solidus n. sp.1, "Exothecus abrogatus n. sp." = Colastes abrogatus1, Urosigalphus aeternus n. sp.1, "Agathis juvenilis n. sp." = Bassus juvenilis1
Microplitis vesperus n. sp.1 Brues 1910 wasp
AMNH A104
Chelonus solidus n. sp.1 Brues 1910 wasp
AMNH A126
"Exothecus abrogatus n. sp." = Colastes abrogatus1 Brues 1910 wasp
AMNH A40
Urosigalphus aeternus n. sp.1 Brues 1910 wasp
"Agathis juvenilis n. sp." = Bassus juvenilis1 Brues 1910 wasp
 Hymenoptera - Ichneumonidae
Hemiteles veternus n. sp.1, Mesoleptus exstirpatus n. sp.1, Tryphon florissantensis n. sp.1, Tryphon senex n. sp.1, Leptobatopsis ashmeadii n. sp.1, Lampronota tenebrosa n. sp.1, Limnerium plenum n. sp.1, Limnerium depositum n. sp.1, Limnerium consuetum n. sp.1, Tylecomnus pimploides n. sp.1, Exochus captus n. sp.1, Mesochorus cataclysmi n. sp.1, Mesochorus abolitus n. sp.1, Mesochorus carceratus n. sp.1
Hemiteles veternus n. sp.1 Brues 1910 ichneumon wasp
AMNH A90
Mesoleptus exstirpatus n. sp.1 Brues 1910 ichneumon wasp
Tryphon florissantensis n. sp.1 Brues 1910 ichneumon wasp
Tryphon senex n. sp.1 Brues 1910 ichneumon wasp
AMNH A62
Leptobatopsis ashmeadii n. sp.1 Brues 1910 ichneumon wasp
Lampronota tenebrosa n. sp.1 Brues 1910 ichneumon wasp
AMNH B15
Limnerium plenum n. sp.1 Brues 1910 ichneumon wasp
AMNH A77
Limnerium depositum n. sp.1 Brues 1910 ichneumon wasp
AMNH A58
Limnerium consuetum n. sp.1 Brues 1910 ichneumon wasp
AMNH A112
Tylecomnus pimploides n. sp.1 Brues 1910 ichneumon wasp
AMNH B3, B5
Exochus captus n. sp.1 Brues 1910 ichneumon wasp
AMNH A48
Mesochorus cataclysmi n. sp.1 Brues 1910 ichneumon wasp
Mesochorus abolitus n. sp.1 Brues 1910 ichneumon wasp
AMNH A66
Mesochorus carceratus n. sp.1 Brues 1910 ichneumon wasp
AMNH A15
 Hymenoptera - Thynnidae
Geotiphia sternbergi n. sp.3
Geotiphia sternbergi n. sp.3 Cockerell 1910 wasp
AMNH 10235
 Hymenoptera - Bethylidae
Epyris deletus n. sp.1
Epyris deletus n. sp.1 Brues 1910 flat wasp
AMNH A3
 Hymenoptera - Scoliidae
Floriscolia relicta n. gen. n. sp.8
Floriscolia relicta n. gen. n. sp.8 Rasnitsyn 1993 wasp
AMNH 28775
 Hymenoptera - Formicidae
Lasius peritulus2, Camponotus petrifactus2, Formica robusta2, "Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus2, Dolichoderus rohweri2, Iridomyrmex florissantius2, Protazteca quadrata2, Protazteca elongata2, Protazteca capitata2, Elaeomyrmex gracilis2, Miomyrmex impactus2, Liometopum miocenicum2, Liometopum scudderi2, Aphaenogaster mayri2
Lasius peritulus2 Cockerell 1927 ant
AMNH 22982
Camponotus petrifactus2 Carpenter 1930 ant
AMNH 22964
Formica robusta2 Carpenter 1930 ant
AMNH 22976
"Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus2 Carpenter 1930 ant
AMNH 22973
Dolichoderus rohweri2 Carpenter 1930 ant
AMNH 22974
Iridomyrmex florissantius2 Carpenter 1930 ant
AMNH 22965
Protazteca quadrata2 Carpenter 1930 ant
AMNH 22962, 22963
Protazteca elongata2 Carpenter 1930 ant
AMNH 22978, 22979, 22980
Protazteca capitata2 Carpenter 1930 ant
AMNH 22961
Elaeomyrmex gracilis2 Carpenter 1930 ant
AMNH 22969
Miomyrmex impactus2 Cockerell 1927 ant
AMNH 22972
Liometopum miocenicum2 Carpenter 1930 ant
AMNH 22954-22957
Liometopum scudderi2 Carpenter 1930 ant
AMNH 22959
Aphaenogaster mayri2 Carpenter 1930 ant
AMNH 22966
 Hymenoptera -
Belyta mortuella n. sp.1, Galesimorpha wheeleri n. sp.1
Belyta mortuella n. sp.1 Brues 1910 wasp
AMNH A32
Galesimorpha wheeleri n. sp.1 Brues 1910 wasp
AMNH A52
 Hymenoptera - Chalcididae
Chalcis perdita n. sp.1
Chalcis perdita n. sp.1 Brues 1910 chalcid wasp
AMNH A76
 Hymenoptera - Eurytomidae
Eurytoma sequax n. sp.1, Eurytoma sepulta n. sp.1
Eurytoma sequax n. sp.1 Brues 1910 chalcid wasp
AMNH A120
Eurytoma sepulta n. sp.1 Brues 1910 chalcid wasp
AMNH A9, A103
 Hymenoptera - Pteromalidae
Pteromalus exanimis n. sp.1
Pteromalus exanimis n. sp.1 Brues 1910 chalcid wasp
AMNH A57, A55
 Hymenoptera - Figitidae
"Figites solus n. sp." = Palaeogronotoma sola1
"Figites solus n. sp." = Palaeogronotoma sola1 Brues 1910 wasp
AMNH A60
 Hymenoptera - Proctotrupidae
Proctotrypes exhumatus n. sp.1
Proctotrypes exhumatus n. sp.1 Brues 1910 wasp
AMNH A97
 Trichoptera - Hydropsychidae
Hydropsyche scudderi3
Hydropsyche scudderi3 Cockerell 1909 net-spinning caddisfly
 Trichoptera - Limnephilidae
Indusia cypridis n. sp.3
Indusia cypridis n. sp.3 Cockerell 1910 caddisfly
AMNH 10190
 Lepidoptera - Geometridae
? Hydriomena protrita n. sp.4
? Hydriomena protrita n. sp.4 Cockerell 1922 geometer moth
 Coleoptera - Hydrophilidae
Hydrobius prisconatator9
Hydrobius prisconatator9 Wickham 1911 water scavenger beetle
coll. 1908 (no station #)
 Diptera - Nemestrinidae
Neorhynchocephalus occultator, "Hirmoneurites willistoni n. gen. n. sp." = Hirmoneura (Hirmoneurites) willistoni3
Neorhynchocephalus occultator Cockerell 1908 tangle-veined fly
AMNH 26497
"Hirmoneurites willistoni n. gen. n. sp." = Hirmoneura (Hirmoneurites) willistoni3 Cockerell 1910 tangle-veined fly
AMNH 10244
 Diptera - Stratiomyidae
"Nemotelus prisculus n. sp." = Rhingiopsis prisculus3
"Nemotelus prisculus n. sp." = Rhingiopsis prisculus3 Cockerell 1910 soldier fly
AMNH 10181
 Diptera - Empididae
Rhamphomyia senecta n. sp.
Rhamphomyia senecta n. sp. Melander 1949 dagger fly
AMNH 26606 (coll. S.A. Rohwer)
 Diptera - Syrphidae
Pipiza melanderi n. sp.5, Protochrysotoxum sphinx n. gen. n. sp.5, Leucozona nigra n. sp.5
Pipiza melanderi n. sp.5 Hull 1945 hover fly
AMNH 154
Protochrysotoxum sphinx n. gen. n. sp.5 Hull 1945 hover fly
AMNH 159
Leucozona nigra n. sp.5 Hull 1945 hover fly
AMNH 157a
 Diptera - Mycetophilidae
Exechia priscula n. sp.
Exechia priscula n. sp. Melander 1949 fungus gnat
AMNH 26462
 Diptera - Tipulidae
Tipula clauda3, Tipula heilprini3, Cladura integra
Tipula clauda3 Scudder 1894 crane fly
Tipula heilprini3 Scudder 1894 crane fly
Cladura integra Scudder 1894 crane fly
AMNH 26460
 Diptera - Chironomidae
Chironomus requiescens, "Chironomus sepultus n. sp." = Chironomus almelanderi, Diamesa extincta n. sp.
Chironomus requiescens Melander 1949 non biting midge
AMNH 26476
"Chironomus sepultus n. sp." = Chironomus almelanderi Arnaud 1966 non biting midge
AMNH 26477
Diamesa extincta n. sp. Melander 1949 non biting midge
AMNH 26467
Ostracoda
 Podocopida - Cyprididae
Cypris florissantensis n. sp.3
Cypris florissantensis n. sp.3 Cockerell 1910 ostracod
On the case of Indusia cypridis
Arachnida
 Araneae - Lycosidae
Lycosa florissanti n. sp.7
Lycosa florissanti n. sp.7 Petrunkevitch 1922 wolf spider
AMNH 10234(10240)
Myriapoda
 Julida - Parajulidae
Parajulus cockerelli n. sp.6
Parajulus cockerelli n. sp.6 Miner 1926 millipede
AMNH 22564(5)
1Brues 1910; 2Carpenter 1930; 3Cockerell 1910; 4Cockerell 1922; 5Hull 1945; 6Miner 1926; 7Petrunkevitch 1922; 8Rasnitsyn 1993; 9Wickham 1911