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
 Hemiptera - Aphalaridae
"Psyllites crawfordi n. gen. n. sp." = Catopsylla crawfordi4
"Psyllites crawfordi n. gen. n. sp." = Catopsylla crawfordi4 Cockerell 1915 jumping plant louse
 Mantodea - Chaeteessidae
Lithophotina costalis n. sp.3 Cockerell 1914 mantis
USNM PAL90476
 Orthoptera - Acrididae
Tyrbula scudderi n. sp.3 Cockerell 1914 short-horned grasshopper
 Orthoptera - Tettigoniidae
? Amblycorypha perdita n. sp.4 Cockerell 1915 katydid
 Hymenoptera - Pompilidae
Cryptocheilus hypogaeus n. sp.2 Cockerell 1914 spider wasp
 Hymenoptera - Vespidae
Odynerus percontusus n. sp.4 Cockerell 1915 potter wasp
Palaeovespa wilsoni n. sp.4 Cockerell 1915 wasp
 Hymenoptera - Formicidae
Formica robusta1 Carpenter 1930 ant
No. 35
"Dolichoderus (Hypoclinea) antiquus" = Dolichoderus antiquus1 Carpenter 1930 ant
Liometopum miocenicum1 Carpenter 1930 ant
No. 21-30
Miomyrmex impactus1 Cockerell 1927 ant
No. 34
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 - Andrenidae
Andrena percontusa n. sp.4 Cockerell 1915 bee
 Hymenoptera - Braconidae
"Bracon florissanticola n. sp." = Cremnops florissanticola6
"Bracon florissanticola n. sp." = Cremnops florissanticola6 Cockerell 1919 wasp
"Florissant"
 Hymenoptera - Ichneumonidae
Anomalon miocenicum n. sp.6 Cockerell 1919 ichneumon wasp
"Florissant"
Theronia wickhami n. sp.6 Cockerell 1919 ichneumon wasp
"Florissant"
 Hymenoptera - Proctotrupidae
Palaeoteleia oxyura n. gen. n. sp.4
Palaeoteleia oxyura n. gen. n. sp.4 Cockerell 1915 wasp
 Hymenoptera - Tenthredinidae
"Hemichroa eophila" = Eohemichroa eophila2, Eriocampa celata n. sp.4, Cladius petrinus n. sp.4
"Hemichroa eophila" = Eohemichroa eophila2 Cockerell 1906 wood wasp
Eriocampa celata n. sp.4 Cockerell 1915 wood wasp
Cladius petrinus n. sp.4 Cockerell 1915 wood wasp
 Coleoptera - Ptinidae
Oligomerus breviusculus n. sp.10 Wickham 1916 spider beetle
Gastrallanobium subconfusum n. gen. n. sp.8 Wickham 1914 spider beetle
Vrilletta tenuistriata n. sp. Wickham 1913 spider beetle
 Coleoptera - Bostrichidae
Dinoderus cuneicollis n. sp. Wickham 1913 false powderpost beetle
Xylobiops lacustre Wickham 1912 false powderpost beetle
 Coleoptera - Buprestidae
Melanophila heeri n. sp.8 Wickham 1914 jewel beetle
 Coleoptera - Byrrhidae
Nosotetocus vespertinus Scudder 1900 pill beetle
 Coleoptera - Dascillidae
Ectopria laticollis n. sp. Wickham 1913 soft bodied plant beetle
 Coleoptera - Throscidae
Pactopus americanus n. sp.8 Wickham 1914 beetle
 Coleoptera - Elateridae
Monocrepidius dubiosus n. sp.9, "Corymbites primitivus" = Ludius primitivus9, "Paranomus exanimatus n. sp." = Ludius exanimatus9, Cardiophorus requiescens n. sp.9, Cardiophorus lithographicus n. sp.9, Horistonotus coloradensis n. sp.9, Ludiophanes haydeni n. gen. n. sp.9, Limonius florissantensis n. sp.9, Limonius aboriginalis n. sp.9
Monocrepidius dubiosus n. sp.9 Wickham 1916 click beetle
"Corymbites primitivus" = Ludius primitivus9 Wickham 1908 click beetle
"Paranomus exanimatus n. sp." = Ludius exanimatus9 Wickham 1916 click beetle
One doubtful
Cardiophorus requiescens n. sp.9 Wickham 1916 click beetle
Cardiophorus lithographicus 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
Limonius florissantensis n. sp.9 Wickham 1916 click beetle
Limonius aboriginalis n. sp.9 Wickham 1916 click beetle
 Coleoptera - Eucnemidae
Fornax relictus n. sp.9 Wickham 1916 false click beetle
 Coleoptera - Hydrophilidae
Creniphilites orpheus n. gen. n. sp., Hydrobius titan n. sp.
Creniphilites orpheus n. gen. n. sp. Wickham 1913 water scavenger beetle
Hydrobius titan n. sp. Wickham 1913 water scavenger beetle
 Coleoptera - Staphylinidae
Heterothops ? conticens Scudder 1900 rove beetle
Quedius chamberlini Scudder 1890 rove beetle
Leptacinus maclurei Scudder 1900 rove beetle
Leptacinus leidyi Scudder 1900 rove beetle
Paederus adumbratus n. sp. Wickham 1913 rove beetle
Lathrobium antediluvianum n. sp. Wickham 1913 rove beetle
Atheta florissantensis n. sp. Wickham 1913 rove beetle
Stenus morsei Scudder 1900 rove beetle
Bledius soli Scudder 1900 rove beetle
Oxytelus subapterus n. sp. Wickham 1913 rove beetle
Platystethus archetypus Scudder 1900 rove beetle
"Homalium antiquorum n. sp." = Omalium antiquorum Wickham 1913 rove beetle
"Tachyporus nigripennis" = Tachyporus annosus Herman 2001 rove beetle
"Boletobius stygis" = Lordithon stygis Scudder 1900 rove beetle
"Boletobius funditus" = Lordithon funditus Scudder 1900 rove beetle
Mycetoporus demersus Scudder 1900 rove beetle
 Coleoptera - Leiodidae
Hydnobius tibialis n. sp. Wickham 1913 round fungus beetle
 Coleoptera - Cryptophagidae
Cryptophagus petricola n. sp.10 Wickham 1916 silken fungus beetle
 Coleoptera - Cucujidae
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 - Nitidulidae
Miophenolia cilipes n. gen. n. sp.10, Cychramites hirtus n. gen. n. sp., "Colastus pygidialis n. sp." = Colopterus pygidialis
Miophenolia cilipes n. gen. n. sp.10 Wickham 1916 sap beetle
Cychramites hirtus n. gen. n. sp. Wickham 1913 sap beetle
"Colastus pygidialis n. sp." = Colopterus pygidialis Wickham 1913 sap beetle
 Coleoptera - Mordellidae
Mordellistena smithiana n. sp. Wickham 1913 tumbling flower beetle
Mordellistena scudderiana n. sp.8 Wickham 1914 tumbling flower beetle
Mordellistena nearctica n. sp.8 Wickham 1914 tumbling flower beetle
Mordellistena protogaea n. sp.8 Wickham 1914 tumbling flower beetle
Mordella lapidicola Wickham 1909 tumbling flower beetle
 Coleoptera - Zopheridae
"Cicones oblongopunctata n. sp." = Eucicones oblongopunctata
"Cicones oblongopunctata n. sp." = Eucicones oblongopunctata Wickham 1913 ironclad beetle
 Coleoptera - Tenebrionidae
Isomira aurora n. sp.8, Proteleates centralis n. gen. n. sp.8, Ulus minutus n. sp.8
Isomira aurora n. sp.8 Wickham 1914 comb-clawed beetle
Proteleates centralis n. gen. n. sp.8 Wickham 1914 darkling beetle
Ulus minutus n. sp.8 Wickham 1914 darkling beetle
 Coleoptera - Mycetophagidae
Mycetophagus willistoni n. sp. Wickham 1913 hairy fungus beetle
Mycetophagus exterminatus n. sp. Wickham 1913 hairy fungus beetle
 Coleoptera - Pythidae
Pythoceropsis singularis n. gen. n. sp.
Pythoceropsis singularis n. gen. n. sp. Wickham 1913 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 - Cleridae
"Hydnocera wolcotti n. sp." = Phyllobaenus wolcotti, Necrobia sibylla n. sp.8
"Hydnocera wolcotti n. sp." = Phyllobaenus wolcotti Wickham 1913 checkered beetle
Necrobia sibylla n. sp.8 Wickham 1914 checkered beetle
 Coleoptera - Latridiidae
Corticaria petrefacta n. sp. Wickham 1913 minute brown scavenger beetle
Corticaria aeterna n. sp.8 Wickham 1914 minute brown scavenger beetle
 Coleoptera - Cerambycidae
"Hylotrupes puncticollis n. sp." = Semanotus puncticollis8, Palaeosmodicum hamiltoni n. gen. n. sp.8, Protoncideres primus n. gen. n. sp., "Acanthoderes lengii n. sp." = Psapharochus lengii8
"Hylotrupes puncticollis n. sp." = Semanotus puncticollis8 Wickham 1914 longhorned beetle
Palaeosmodicum hamiltoni n. gen. n. sp.8 Wickham 1914 longhorned beetle
Protoncideres primus n. gen. n. sp. Wickham 1913 longhorned beetle
"Acanthoderes lengii n. sp." = Psapharochus lengii8 Wickham 1914 longhorned beetle
 Coleoptera - Chrysomelidae
Cryptocephalus miocenus n. sp., "Bruchus ? florissantensis" = Oligobruchus florissantensis, "Bruchus scudderi" = Oligobruchus scudderi, "Bruchus wilsoni n. sp." = Oligobruchus wilsoni, "Bruchus haywardi" = Oligobruchus haywardi, Bruchus exhumatus, Bruchus succintus n. sp., Luperodes submonilis n. sp.8, Lema lesquereuxi n. sp.8, Lema evanescens, Crioceridea dubia
Cryptocephalus miocenus n. sp. Wickham 1913 leaf beetle
"Bruchus ? florissantensis" = Oligobruchus florissantensis Wickham 1912 palm bruchid
"Bruchus scudderi" = Oligobruchus scudderi Wickham 1912 palm bruchid
"Bruchus wilsoni n. sp." = Oligobruchus wilsoni Wickham 1913 palm bruchid
"Bruchus haywardi" = Oligobruchus haywardi Wickham 1912 palm bruchid
Bruchus exhumatus Wickham 1912 leaf beetle
Bruchus succintus n. sp. Wickham 1913 leaf beetle
Luperodes submonilis n. sp.8 Wickham 1914 leaf beetle
Lema lesquereuxi n. sp.8 Wickham 1914 leaf beetle
Lema evanescens Wickham 1910 leaf beetle
Crioceridea dubia Wickham 1912 leaf beetle
 Coleoptera - Curculionidae
"Balaninus florissantensis n. sp." = Curculio florissantensis, "Balaninus ? minusculus" = Curculio minusculus, Orchestes languidulus, Anthonomus primordius, Anthonomus evigilatus, Anthonomus debilatus, Scyphophorus laevis, Cossonus gabbii, Rhysosternum longirostre, Geralophus ? pumiceus, Evopes veneratus, "Sitones exitiorum" = Sitona exitiorum, Geralophus lassatus, Geralophus antiquarius, Phloeotribus zimmermanni n. sp.10, Acalles exhumatus n. sp., Cryptorhynchus ? fallii, Cryptorhynchus kerri, Ceutorhynchus blaisdelli n. sp.10, Ceutorhynchus ? duratus, "Baris renovata n. sp." = Lithogeraeus renovata10, "Baris cremastorhynchoides n. sp." = Lithogeraeus cremastorhynchoides, "Baris nearctica n. sp." = Lithogeraeus nearctica10, "Baris florissantensis n. sp." = Lithogeraeus florissantensis, "Centrinus obnuptus" = Geraeus obnuptus, "Centrinus vulcanicus" = Geraeus vulcanicus, "Baris antediluviana n. sp." = Geraeus antediluviana10, "Centrinus hypogaeus n. sp." = Geraeus hypogaeus10, Ceutorhynchus clausus, Baris imperfecta, Miogeraeus recurrens n. gen. n. sp.10, "Adipocephalus hydropicus n. gen. n. sp." = Hylesinus hydropicus10, Hylesinus extractus, "Pityophthoridea diluvialis n. gen. n. sp." = Dryocoetes diluvialis10, Hylastes americanus n. sp., Hylurgops piger n. sp., Xyleborites longipennis n. gen. n. sp.
"Balaninus florissantensis n. sp." = Curculio florissantensis Wickham 1913 snout beetle
"Balaninus ? minusculus" = Curculio minusculus Scudder 1893 snout beetle
Orchestes languidulus Scudder 1893 snout beetle
Anthonomus primordius Scudder 1893 snout beetle
Anthonomus evigilatus Scudder 1893 snout beetle
Anthonomus debilatus Scudder 1893 snout beetle
Scyphophorus laevis Scudder 1893 snout beetle
Cossonus gabbii Scudder 1893 snout beetle
Rhysosternum longirostre Scudder 1893 snout beetle
Geralophus ? pumiceus Scudder 1893 snout 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
Phloeotribus zimmermanni n. sp.10 Wickham 1916 snout beetle
Acalles exhumatus n. sp. Wickham 1913 snout beetle
Cryptorhynchus ? fallii Wickham 1912 snout beetle
Cryptorhynchus kerri Scudder 1893 snout beetle
Ceutorhynchus blaisdelli n. sp.10 Wickham 1916 snout beetle
Ceutorhynchus ? duratus Scudder 1893 snout beetle
"Baris renovata n. sp." = Lithogeraeus renovata10 Wickham 1916 snout beetle
"Baris cremastorhynchoides n. sp." = Lithogeraeus cremastorhynchoides Wickham 1913 snout beetle
"Baris nearctica n. sp." = Lithogeraeus nearctica10 Wickham 1916 snout beetle
"Baris florissantensis n. sp." = Lithogeraeus florissantensis Wickham 1913 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
"Centrinus hypogaeus n. sp." = Geraeus hypogaeus10 Wickham 1916 snout beetle
Ceutorhynchus clausus Scudder 1893 snout beetle
Baris imperfecta Scudder 1893 snout beetle
Miogeraeus recurrens n. gen. n. sp.10 Wickham 1916 snout 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
Hylastes americanus n. sp. Wickham 1913 bark beetle
Hylurgops piger n. sp. Wickham 1913 bark beetle
Xyleborites longipennis n. gen. n. sp. Wickham 1913 bark beetle
 Coleoptera - Attelabidae
Eugnamptidea robusta n. sp.10, "Auletes florissantensis n. sp." = Eugnamptidea florissantensis, "Trypanorhynchus minutissimus n. sp." = Prodeporaus minutissimus, "Trypanorhynchus exilis n. sp." = Prodeporaus exilis, "Rhynchites vulcan n. sp." = Prodeporaides vulcan10, "Rhynchites laminarum n. sp." = Prodeporaides laminarum10, Isothea alleni, "Trypanorhynchus obliquus n. sp." = Pseudomesauletes obliquus, "Docirhynchus culex" = Pseudomesauletes culex, Docirhynchus terebrans
Eugnamptidea robusta n. sp.10 Wickham 1916 tooth-nosed snout weevil
"Auletes florissantensis n. sp." = Eugnamptidea florissantensis Wickham 1913 tooth-nosed snout weevil
"Trypanorhynchus minutissimus n. sp." = Prodeporaus minutissimus Wickham 1913 tooth-nosed snout weevil
"Trypanorhynchus exilis n. sp." = Prodeporaus exilis Wickham 1913 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
Isothea alleni Scudder 1893 tooth-nosed snout weevil
"Trypanorhynchus obliquus n. sp." = Pseudomesauletes obliquus Wickham 1913 tooth-nosed snout weevil
"Docirhynchus culex" = Pseudomesauletes culex Scudder 1893 tooth-nosed snout weevil
Docirhynchus terebrans Scudder 1893 tooth-nosed snout weevil
 Coleoptera - Anthribidae
? Brachytarsus dubius n. sp. Wickham 1913 fungus weevil
 Coleoptera - Brentidae
"Anthonomus corruptus" = Toxorhynchus corruptus, "Apion scudderianum n. sp." = Toxorhynchus scudderianum10, Toxorhynchus minusculus, "Apion florissantensis n. sp." = Toxorhynchus florissantensis10
"Anthonomus corruptus" = Toxorhynchus corruptus Scudder 1893 weevil
"Apion scudderianum n. sp." = Toxorhynchus scudderianum10 Wickham 1916 weevil
Toxorhynchus minusculus Scudder 1893 weevil
"Apion florissantensis n. sp." = Toxorhynchus florissantensis10 Wickham 1916 weevil
 Coleoptera - Scarabaeidae
Aphodius laminicola Wickham 1910 scarab beetle
Aphodius granarioides Wickham 1913 scarab beetle
Aphodius praeemptor n. sp. Wickham 1913 scarab beetle
Aphodius inundatus n. sp.8 Wickham 1914 scarab beetle
Aphodius aboriginalis Wickham 1912 scarab beetle
Ataenius patescens Scudder 1900 scarab beetle
Serica cockerelli n. sp.8 Wickham 1914 scarab beetle
 Coleoptera - Dytiscidae
Agabus florissantensis Wickham 1913 predaceous diving beetle
Coelambus miocenus Wickham 1912 predaceous diving beetle
 Coleoptera - Carabidae
Calosoma emmonsi Scudder 1900 ground beetle
Bembidium florissantensis n. sp. Wickham 1913 ground beetle
Amara powellii Scudder 1900 ground beetle
Tachys haywardi n. sp. Wickham 1913 ground beetle
Platynus florissantensis n. sp. Wickham 1913 ground beetle
 Diptera - Bombyliidae
? Geron platysoma n. sp.4, "Protophthiria palpalis n. gen. n. sp." = Paracosmus (Paracosmus) palpalis2, "Protolomatia antiqua n. gen. n. sp." = Paracosmus (Paracosmus) antiquus2, Alomatia fusca n. gen. n. sp.2
? Geron platysoma n. sp.4 Cockerell 1915 bee fly
"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
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 miocenica n. sp.4 Cockerell 1915 dagger fly
Empis florissantana n. sp.4 Cockerell 1915 dagger fly
 Diptera - Asilidae
Asilus peritulus2 Cockerell 1909 robber fly
Asilus wickhami n. sp.4 Cockerell 1915 robber 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 - Bibionidae
Plecia axeliana n. sp.4 Cockerell 1915 love bug
Bibio wickhami n. sp.4 Cockerell 1915 march fly
 Diptera - Mycetophilidae
Mycomya lithomendax n. sp.4 Cockerell 1915 fungus gnat
 Trichoptera - Phryganeidae
Phryganea labefacta2 Scudder 1890 large caddisfly
Phryganea wickhami n. sp.2 Cockerell 1914 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 wickhami n. sp." = Lithochrysa wickhami2, "Palaeochrysa fracta n. sp." = Archaeochrysa fracta2
"Palaeochrysa wickhami n. sp." = Lithochrysa wickhami2 Cockerell 1914 green lacewing
"Palaeochrysa fracta n. sp." = Archaeochrysa fracta2 Cockerell 1914 green lacewing
 Neuroptera - Osmylidae
Osmylidia requieta2 Scudder 1890 lance lacewing
MCZ 4500