Wilson Ranch, Florissant (Eocene of the United States)

Where: Colorado (38.9° N, 105.2° W: paleocoordinates 40.4° N, 96.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

Environment/lithology: lacustrine - large; lithified lithology not reported

Size class: macrofossils

Preservation: adpression

Collected by H. F. Wickham in 1912

Primary reference: H. F. Wickham. 1913. Fossil Coleoptera from the Wilson Ranch near Florissant, Colorado. Bulletins from the Laboratory of Natural History of the State University of Iowa 6(4):3-29 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113749: authorized by Matthew Clapham, entered by Jered Karr on 04.08.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Orthoptera - Tettigoniidae
? Amblycorypha perdita n. sp.4 Cockerell 1915 katydid
 Orthoptera - Acrididae
Tyrbula scudderi n. sp.3 Cockerell 1914 short-horned grasshopper
 Mantodea - Chaeteessidae
Lithophotina costalis n. sp.3 Cockerell 1914 mantis
USNM PAL90476
 Hemiptera - Aphalaridae
"Psyllites crawfordi n. gen. n. sp." = Catopsylla crawfordi4
"Psyllites crawfordi n. gen. n. sp." = Catopsylla crawfordi4 Cockerell 1915 jumping plant louse
 Hymenoptera - Proctotrupidae
Palaeoteleia oxyura n. gen. n. sp.4
Palaeoteleia oxyura n. gen. n. sp.4 Cockerell 1915 wasp
 Hymenoptera - Pompilidae
Cryptocheilus hypogaeus n. sp.2 Cockerell 1914 spider wasp
 Hymenoptera - Formicidae
Formica robusta1 Carpenter 1930 ant
No. 35
Miomyrmex impactus1 Cockerell 1927 ant
No. 34
Liometopum miocenicum1 Carpenter 1930 ant
No. 21-30
"Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus1 Carpenter 1930 ant
Protazteca elongata1 Carpenter 1930 ant
No. 8-16
Protazteca quadrata1 Carpenter 1930 ant
No. 17-19
Protazteca capitata1 Carpenter 1930 ant
No. 20
Aphaenogaster mayri1 Carpenter 1930 ant
No. 36-43
 Hymenoptera - Vespidae
Palaeovespa wilsoni n. sp.4 Cockerell 1915 wasp
Odynerus percontusus n. sp.4 Cockerell 1915 potter wasp
 Hymenoptera -
Andrena percontusa n. sp.4 Cockerell 1915 bee
 Hymenoptera - Ichneumonidae
Anomalon miocenicum n. sp.6, "? Theronia wickhami n. sp." = Dimophora wickhami6
Anomalon miocenicum n. sp.6 Cockerell 1919 ichneumon wasp
"Florissant"
"? Theronia wickhami n. sp." = Dimophora wickhami6 Cockerell 1919 ichneumon wasp
"Florissant" (MCZ PALE-3915/UCM8604)
 Hymenoptera - Braconidae
Bracon florissanticola n. sp.6 Cockerell 1919 wasp
"Florissant"
 Hymenoptera - Tenthredinidae
Eriocampa celata n. sp.4, "Hemichroa eophila" = Eohemichroa eophila2, Cladius petrinus n. sp.4
Eriocampa celata n. sp.4 Cockerell 1915 wood wasp
"Hemichroa eophila" = Eohemichroa eophila2 Cockerell 1906 wood wasp
Cladius petrinus n. sp.4 Cockerell 1915 wood wasp
 Trichoptera - Phryganeidae
Phryganea wickhami n. sp.2 Cockerell 1914 large caddisfly
Phryganea labefacta2 Scudder 1890 large caddisfly
 Raphidioptera - Raphidiidae
Megaraphidia sp.7, "Raphidia pulveris n. sp." = Megaraphidia exhumata2
Megaraphidia sp.7 Cockerell 1907 snakefly
MCZ 3641
"Raphidia pulveris n. sp." = Megaraphidia exhumata2 Cockerell 1909 snakefly
MCZ 3640; Not hindwing MCZ 3641 (=Megaraphidia sp.)
 Neuroptera - Chrysopidae
"Palaeochrysa fracta n. sp." = Archaeochrysa fracta2, "Palaeochrysa wickhami n. sp." = Lithochrysa wickhami2
"Palaeochrysa fracta n. sp." = Archaeochrysa fracta2 Cockerell 1914 green lacewing
"Palaeochrysa wickhami n. sp." = Lithochrysa wickhami2 Cockerell 1914 green lacewing
 Neuroptera - Osmylidae
Osmylidia requieta2 Scudder 1890 lance lacewing
MCZ 4500
 Coleoptera - Dytiscidae
"Coelambus miocenus" = Hygrotus miocenus, Agabus florissantensis
"Coelambus miocenus" = Hygrotus miocenus Wickham 1912 predaceous diving beetle
Agabus florissantensis Wickham 1913 predaceous diving beetle
 Coleoptera - Carabidae
Amara powellii Scudder 1900 ground beetle
Calosoma emmonsi Scudder 1900 ground beetle
Tachys haywardi n. sp. Wickham 1913 ground beetle
Platynus florissantensis n. sp. Wickham 1913 ground beetle
Bembidium florissantensis n. sp. Wickham 1913 ground beetle
 Coleoptera - Tenebrionidae
Ulus minutus n. sp.8, Proteleates centralis n. gen. n. sp.8
Ulus minutus n. sp.8 Wickham 1914 darkling beetle
Proteleates centralis n. gen. n. sp.8 Wickham 1914 darkling beetle
 Coleoptera - Zopheridae
"Cicones oblongopunctata n. sp." = Eucicones oblongopunctata
"Cicones oblongopunctata n. sp." = Eucicones oblongopunctata Wickham 1913 ironclad beetle
 Coleoptera - Pythidae
Pythoceropsis singularis n. gen. n. sp.
Pythoceropsis singularis n. gen. n. sp. Wickham 1913 beetle
 Coleoptera - Mycetophagidae
Mycetophagus exterminatus n. sp. Wickham 1913 hairy fungus beetle
Mycetophagus willistoni n. sp. Wickham 1913 hairy fungus beetle
 Coleoptera - Mordellidae
"Mordellistena smithiana n. sp." = Petrimordella smithiana, "Mordella lapidicola" = Petrimordella lapidicola, "Mordellistena protogaea n. sp." = Petrimordella protogaea8, "Mordellistena scudderiana n. sp." = Petrimordella scudderiana8, "Mordellistena nearctica n. sp." = Petrimordella nearctica8
"Mordellistena smithiana n. sp." = Petrimordella smithiana Wickham 1913 tumbling flower beetle
"Mordella lapidicola" = Petrimordella lapidicola Wickham 1909 tumbling flower beetle
"Mordellistena protogaea n. sp." = Petrimordella protogaea8 Wickham 1914 tumbling flower beetle
"Mordellistena scudderiana n. sp." = Petrimordella scudderiana8 Wickham 1914 tumbling flower beetle
"Mordellistena nearctica n. sp." = Petrimordella nearctica8 Wickham 1914 tumbling flower beetle
 Coleoptera - Nitidulidae
Miophenolia cilipes n. gen. n. sp.10, "Colastus pygidialis n. sp." = Colopterus pygidialis, Cychramites hirtus n. gen. n. sp.
Miophenolia cilipes n. gen. n. sp.10 Wickham 1916 sap beetle
"Colastus pygidialis n. sp." = Colopterus pygidialis Wickham 1913 sap beetle
Cychramites hirtus n. gen. n. sp. Wickham 1913 sap beetle
 Coleoptera - Latridiidae
Corticaria aeterna n. sp.8 Wickham 1914 minute brown scavenger beetle
Corticaria petrefacta n. sp. Wickham 1913 minute brown scavenger beetle
 Coleoptera - Chrysomelidae
"Bruchus ? florissantensis" = Oligobruchus florissantensis, "Bruchus wilsoni n. sp." = Oligobruchus wilsoni, "Bruchus haywardi" = Oligobruchus haywardi, "Bruchus scudderi" = Oligobruchus scudderi, Bruchus exhumatus, Bruchus succintus n. sp., Lema lesquereuxi n. sp.8, Lema evanescens, Crioceridea dubia, Cryptocephalus miocenus n. sp., Luperodes submonilis n. sp.8
"Bruchus ? florissantensis" = Oligobruchus florissantensis Wickham 1912 palm bruchid
"Bruchus wilsoni n. sp." = Oligobruchus wilsoni Wickham 1913 palm bruchid
"Bruchus haywardi" = Oligobruchus haywardi Wickham 1912 palm bruchid
"Bruchus scudderi" = Oligobruchus scudderi Wickham 1912 palm bruchid
Bruchus exhumatus Wickham 1912 leaf beetle
Bruchus succintus n. sp. Wickham 1913 leaf beetle
Lema lesquereuxi n. sp.8 Wickham 1914 leaf beetle
Lema evanescens Wickham 1910 leaf beetle
Crioceridea dubia Wickham 1912 leaf beetle
Cryptocephalus miocenus n. sp. Wickham 1913 leaf beetle
Luperodes submonilis n. sp.8 Wickham 1914 leaf beetle
 Coleoptera - Cerambycidae
"Acanthoderes lengii n. sp." = Psapharochus lengii8, Protoncideres primus n. gen. n. sp., "Hylotrupes puncticollis n. sp." = Semanotus puncticollis8, Palaeosmodicum hamiltoni n. gen. n. sp.8
"Acanthoderes lengii n. sp." = Psapharochus lengii8 Wickham 1914 longhorned beetle
Protoncideres primus n. gen. n. sp. Wickham 1913 longhorned beetle
"Hylotrupes puncticollis n. sp." = Semanotus puncticollis8 Wickham 1914 longhorned beetle
Palaeosmodicum hamiltoni n. gen. n. sp.8 Wickham 1914 longhorned beetle
 Coleoptera - Brentidae
Toxorhynchus minusculus, "Apion scudderianum n. sp." = Toxorhynchus scudderianum10, "Anthonomus corruptus" = Toxorhynchus corruptus, "Apion florissantensis n. sp." = Toxorhynchus florissantensis10
Toxorhynchus minusculus Scudder 1893 weevil
"Apion scudderianum n. sp." = Toxorhynchus scudderianum10 Wickham 1916 weevil
"Anthonomus corruptus" = Toxorhynchus corruptus Scudder 1893 weevil
"Apion florissantensis n. sp." = Toxorhynchus florissantensis10 Wickham 1916 weevil
 Coleoptera - Anthribidae
? Brachytarsus dubius n. sp. Wickham 1913 fungus weevil
 Coleoptera - Attelabidae
"Trypanorhynchus obliquus n. sp." = Pseudomesauletes obliquus, "Docirhynchus culex" = Pseudomesauletes (Pseudomesauletes) culex, Docirhynchus terebrans, Eugnamptidea robusta n. sp.10, "Auletes florissantensis n. sp." = Eugnamptidea florissantensis, "Trypanorhynchus exilis n. sp." = Prodeporaus exilis, "Trypanorhynchus minutissimus n. sp." = Prodeporaus minutissimus, Isothea alleni, "Rhynchites vulcan n. sp." = Prodeporaides vulcan10, "Rhynchites laminarum n. sp." = Prodeporaides laminarum10
"Trypanorhynchus obliquus n. sp." = Pseudomesauletes obliquus Wickham 1913 tooth-nosed snout weevil
"Docirhynchus culex" = Pseudomesauletes (Pseudomesauletes) culex Scudder 1893 tooth-nosed snout weevil
Docirhynchus terebrans Scudder 1893 tooth-nosed snout weevil
Eugnamptidea robusta n. sp.10 Wickham 1916 tooth-nosed snout weevil
"Auletes florissantensis n. sp." = Eugnamptidea florissantensis Wickham 1913 tooth-nosed snout weevil
"Trypanorhynchus exilis n. sp." = Prodeporaus exilis Wickham 1913 tooth-nosed snout weevil
"Trypanorhynchus minutissimus n. sp." = Prodeporaus minutissimus Wickham 1913 tooth-nosed snout weevil
Isothea alleni Scudder 1893 tooth-nosed snout weevil
"Rhynchites vulcan n. sp." = Prodeporaides vulcan10 Wickham 1916 tooth-nosed snout weevil
"Rhynchites laminarum n. sp." = Prodeporaides laminarum10 Wickham 1916 tooth-nosed snout weevil
 Coleoptera - Curculionidae
Xyleborites longipennis n. gen. n. sp., Evopes veneratus, "Sitones exitiorum" = Sitona exitiorum, Geralophus lassatus, Geralophus antiquarius, Geralophus ? pumiceus, Miogeraeus recurrens n. gen. n. sp.10, "Centrinus hypogaeus n. sp." = Geraeus hypogaeus10, "Centrinus obnuptus" = Geraeus obnuptus, "Centrinus vulcanicus" = Geraeus vulcanicus, "Baris antediluviana n. sp." = Geraeus antediluviana10, "Baris cremastorhynchoides n. sp." = Lithogeraeus cremastorhynchoides, "Baris renovata n. sp." = Lithogeraeus renovata10, "Baris nearctica n. sp." = Lithogeraeus nearctica10, "Baris florissantensis n. sp." = Lithogeraeus florissantensis, Baris imperfecta, Ceutorhynchus clausus, Phloeotribus zimmermanni n. sp.10, Cossonus gabbii, Anthonomus evigilatus, Anthonomus primordius, Anthonomus debilatus, "Balaninus florissantensis n. sp." = Curculio florissantensis, "Balaninus ? minusculus" = Curculio minusculus, Orchestes languidulus, Scyphophorus laevis, Cryptorhynchus kerri, Cryptorhynchus ? fallii, Acalles exhumatus n. sp., Ceutorhynchus blaisdelli n. sp.10, Ceutorhynchus ? duratus, Rhysosternum longirostre, Hylastes americanus n. sp., Hylurgops piger n. sp., "Adipocephalus hydropicus n. gen. n. sp." = Hylesinus hydropicus10, Hylesinus extractus, "Pityophthoridea diluvialis n. gen. n. sp." = Dryocoetes diluvialis10
Xyleborites longipennis n. gen. n. sp. Wickham 1913 ambrosia beetle
Evopes veneratus Scudder 1893 snout beetle
"Sitones exitiorum" = Sitona exitiorum Scudder 1893 snout beetle
Geralophus lassatus Scudder 1893 snout beetle
Geralophus antiquarius Scudder 1893 snout beetle
Geralophus ? pumiceus Scudder 1893 snout beetle
Miogeraeus recurrens n. gen. n. sp.10 Wickham 1916 snout beetle
"Centrinus hypogaeus n. sp." = Geraeus hypogaeus10 Wickham 1916 snout beetle
"Centrinus obnuptus" = Geraeus obnuptus Scudder 1893 snout beetle
"Centrinus vulcanicus" = Geraeus vulcanicus Wickham 1912 snout beetle
"Baris antediluviana n. sp." = Geraeus antediluviana10 Wickham 1916 snout beetle
"Baris cremastorhynchoides n. sp." = Lithogeraeus cremastorhynchoides Wickham 1913 snout beetle
"Baris renovata n. sp." = Lithogeraeus renovata10 Wickham 1916 snout beetle
"Baris nearctica n. sp." = Lithogeraeus nearctica10 Wickham 1916 snout beetle
"Baris florissantensis n. sp." = Lithogeraeus florissantensis Wickham 1913 snout beetle
Baris imperfecta Scudder 1893 snout beetle
Ceutorhynchus clausus Scudder 1893 snout beetle
Phloeotribus zimmermanni n. sp.10 Wickham 1916 snout beetle
Cossonus gabbii Scudder 1893 snout beetle
Anthonomus evigilatus Scudder 1893 snout beetle
Anthonomus primordius Scudder 1893 snout beetle
Anthonomus debilatus Scudder 1893 snout beetle
"Balaninus florissantensis n. sp." = Curculio florissantensis Wickham 1913 snout beetle
"Balaninus ? minusculus" = Curculio minusculus Scudder 1893 snout beetle
Orchestes languidulus Scudder 1893 snout beetle
Scyphophorus laevis Scudder 1893 snout beetle
Cryptorhynchus kerri Scudder 1893 snout beetle
Cryptorhynchus ? fallii Wickham 1912 snout beetle
Acalles exhumatus n. sp. Wickham 1913 snout beetle
Ceutorhynchus blaisdelli n. sp.10 Wickham 1916 snout beetle
Ceutorhynchus ? duratus Scudder 1893 snout beetle
Rhysosternum longirostre Scudder 1893 snout beetle
Hylastes americanus n. sp. Wickham 1913 bark beetle
Hylurgops piger n. sp. Wickham 1913 bark beetle
"Adipocephalus hydropicus n. gen. n. sp." = Hylesinus hydropicus10 Wickham 1916 bark beetle
Hylesinus extractus Scudder 1893 bark beetle
"Pityophthoridea diluvialis n. gen. n. sp." = Dryocoetes diluvialis10 Wickham 1916 birch bark beetle
 Coleoptera - Cleridae
Necrobia sibylla n. sp.8, "Hydnocera wolcotti n. sp." = Phyllobaenus wolcotti
Necrobia sibylla n. sp.8 Wickham 1914 checkered beetle
"Hydnocera wolcotti n. sp." = Phyllobaenus wolcotti Wickham 1913 checkered beetle
 Coleoptera - Melyridae
Eudasytites listriformis, "Malachius pristinus n. sp." = Malachius immurus10
Eudasytites listriformis Wickham 1912 soft-winged flower beetle
"Malachius pristinus n. sp." = Malachius immurus10 Wickham 1917 soft-winged flower beetle
 Coleoptera - Cryptophagidae
Cryptophagus petricola n. sp.10 Wickham 1916 silken fungus beetle
 Coleoptera - Laemophloeidae
Lithocoryne coloradensis n. sp.8 Wickham 1914 beetle
 Coleoptera - Erotylidae
"Tritoma petrefacta n. sp." = Triplax petrefacta10
"Tritoma petrefacta n. sp." = Triplax petrefacta10 Wickham 1916 pleasing fungus beetle
 Coleoptera - Eucnemidae
Fornax relictus n. sp.9 Wickham 1916 false click beetle
 Coleoptera - Elateridae
Cardiophorus lithographus n. sp.9, Cardiophorus requiescens n. sp.9, Horistonotus coloradensis n. sp.9, Ludiophanes haydeni n. gen. n. sp.9, "Paranomus exanimatus n. sp." = Eanus exanimatus9, "Corymbites primitivus" = Ctenicera primitiva9, Limonius florissantensis n. sp.9, Limonius aboriginalis n. sp.9, Monocrepidius dubiosus n. sp.9
Cardiophorus lithographus n. sp.9 Wickham 1916 click beetle
Cardiophorus requiescens n. sp.9 Wickham 1916 click beetle
Horistonotus coloradensis n. sp.9 Wickham 1916 click beetle
Ludiophanes haydeni n. gen. n. sp.9 Wickham 1916 click beetle
"Paranomus exanimatus n. sp." = Eanus exanimatus9 Wickham 1916 click beetle
One doubtful
"Corymbites primitivus" = Ctenicera primitiva9 Wickham 1908 click beetle
Limonius florissantensis n. sp.9 Wickham 1916 click beetle
Limonius aboriginalis n. sp.9 Wickham 1916 click beetle
Monocrepidius dubiosus n. sp.9 Wickham 1916 click beetle
 Coleoptera - Throscidae
Pactopus americanus n. sp.8 Wickham 1914 beetle
 Coleoptera - Buprestidae
Melanophila heeri n. sp.8 Wickham 1914 jewel beetle
 Coleoptera - Psephenidae
Ectopria laticollis n. sp. Wickham 1913 water penny beetle
 Coleoptera - Byrrhidae
Nosotetocus vespertinus Scudder 1900 pill beetle
 Coleoptera - Leiodidae
Hydnobius tibialis n. sp. Wickham 1913 round fungus beetle
 Coleoptera - Staphylinidae
"Tachyporus nigripennis" = Tachyporus annosus Herman 2001 rove beetle
Lathrobium antediluvianum n. sp. Wickham 1913 rove beetle
Paederus adumbratus n. sp. Wickham 1913 rove beetle
"Boletobius funditus" = Lordithon funditus Scudder 1900 rove beetle
"Boletobius stygis" = Lordithon stygis Scudder 1900 rove beetle
Mycetoporus demersus Scudder 1900 rove beetle
"Homalium antiquorum n. sp." = Omalium antiquorum Wickham 1913 rove beetle
Heterothops ? conticens Scudder 1900 rove beetle
Quedius chamberlini Scudder 1890 rove beetle
Leptacinus maclurei Scudder 1900 rove beetle
Leptacinus leidyi Scudder 1900 rove beetle
Oxytelus subapterus n. sp. Wickham 1913 rove beetle
Platystethus archetypus Scudder 1900 rove beetle
Bledius soli Scudder 1900 rove beetle
Stenus morsei Scudder 1900 rove beetle
Atheta florissantensis n. sp. Wickham 1913 rove beetle
 Coleoptera - Scarabaeidae
Aphodius granarioides Wickham 1913 scarab beetle
Aphodius laminicola Wickham 1910 scarab beetle
Aphodius aboriginalis Wickham 1912 scarab beetle
Aphodius praeemptor n. sp. Wickham 1913 scarab beetle
Aphodius inundatus n. sp.8 Wickham 1914 scarab beetle
Ataenius patescens Scudder 1900 scarab beetle
Serica cockerelli n. sp.8 Wickham 1914 scarab beetle
 Coleoptera - Hydrophilidae
Hydrobius titan n. sp., Creniphilites orpheus n. gen. n. sp.
Hydrobius titan n. sp. Wickham 1913 water scavenger beetle
Creniphilites orpheus n. gen. n. sp. Wickham 1913 water scavenger beetle
 Coleoptera - Bostrichidae
Dinoderus cuneicollis n. sp. Wickham 1913 false powderpost beetle
Xylobiops lacustre Wickham 1912 false powderpost beetle
 Coleoptera - Ptinidae
Vrilletta tenuistriata n. sp. Wickham 1913 spider beetle
Oligomerus breviusculus n. sp.10 Wickham 1916 spider beetle
Gastrallanobium subconfusum n. gen. n. sp.8 Wickham 1914 spider beetle
 Coleoptera -
Isomira aurora n. sp.8 Wickham 1914 beetle
 Diptera - Asilidae
Asilus wickhami n. sp.4 Cockerell 1915 robber fly
Asilus peritulus2 Cockerell 1909 robber fly
 Diptera - Bombyliidae
"Protophthiria palpalis n. gen. n. sp." = Paracosmus (Paracosmus) palpalis2, "Protolomatia antiqua n. gen. n. sp." = Paracosmus (Paracosmus) antiquus2, ? Geron platysoma n. sp.4, Alomatia fusca n. gen. n. sp.2
"Protophthiria palpalis n. gen. n. sp." = Paracosmus (Paracosmus) palpalis2 Cockerell 1914 bee fly
"Protolomatia antiqua n. gen. n. sp." = Paracosmus (Paracosmus) antiquus2 Cockerell 1914 bee fly
? Geron platysoma n. sp.4 Cockerell 1915 bee fly
Alomatia fusca n. gen. n. sp.2 Cockerell 1914 bee fly
 Diptera - Syrphidae
Syrphus willistoni2 Cockerell 1909 hover fly
 Diptera - Heleomyzidae
"Heteromyiella miocenica n. sp." = Heteromyza miocenica4
"Heteromyiella miocenica n. sp." = Heteromyza miocenica4 Cockerell 1915 fly
 Diptera - Empididae
Empis florissantana n. sp.4 Cockerell 1915 dagger fly
Empis miocenica n. sp.4 Cockerell 1915 dagger fly
 Diptera -
Anthomyia laminarum n. sp.5 Cockerell 1917 fly
 Diptera - Nemestrinidae
"Hirmoneura melanderi" = Neorhynchocephalus melanderi2
"Hirmoneura melanderi" = Neorhynchocephalus melanderi2 Cockerell 1908 tangle-veined fly
 Diptera - Mycetophilidae
Mycomya lithomendax n. sp.4 Cockerell 1915 fungus gnat
 Diptera - Bibionidae
Bibio wickhami n. sp.4 Cockerell 1915 march fly
Plecia axeliana n. sp.4 Cockerell 1915 love bug