browser icon
You are using an insecure version of your web browser. Please update your browser!
Using an outdated browser makes your computer unsafe. For a safer, faster, more enjoyable user experience, please update your browser today or try a newer browser.

Trilobite Faunal Lists for Southeast Minnesota

Posted by on September 20, 2014
Print Friendly, PDF & Email

NOTE: These trilobite faunal lists were compiled by Caleb Scheer (now deceased) and are on his Midwestpaleo.com website, here:

http://www.midwestpaleo.com/Fauna/Fauna.htm

Since Caleb has passed, I do not know how long the site will be up. He was the foremost expert here on trilobites. His passing is a tragic loss to the fossil community.

Maquoketa Shale Formation

Family Subfamily Genus Species
1 Asaphidae Isotelinae Isotelus gigas
2 Asaphidae Isotelinae Isotelus iowensis
3 Asaphidae Isotelinae Anataphrus vigilans
4 Asaphidae Isotelinae Ectenaspis beckeri
4 Asaphidae Isotelinae Ectenaspis sp.
7 Asaphidae Isotelinae Nahania susae
8 Asaphidae Brachyaspis alacer
9 Calymenidae Flexicalymene fayettensis
10 Calymenidae Flexicalymene gracilis
11 Calymenidae Flexicalymene aff. meeki
11 Calymenidae Gravicalymene quadricapita
12 Calymenidae Diacalymene mammilata
16 Cheiruridae Acanthoparyphinae Acanthoparypha
  1. sp.
13 Cheiruridae Cheirurinae Bufoceraurus?
  1. sp.
13 Cheiruridae Cheirurinae Ceraurus milleranus
14 Cheiruridae Cheirurinae Gabriceraurus elginensis
15 Cheiruridae Cheirurinae Ceraurinus icarus
16 Cheiruridae Deiphoninae Sphaerocoryphe maquoketensis
17 Encrinuridae Encrinurinae Encrinuroides pernodosus
18 Encrinuridae Encrinurinae Encrinuroides
  1. vigilans
19 Encrinuridae Cybelinae Cybeloides iowensis
20 Lichidae Tetralichinae Amphilichas clermontensis
21 Lichidae Tetralichinae Amphilichas bicornis
22 Lichidae Tetralichinae Amphilichas rhinoceros
23 Proetidae Cyphaspis slocumi
24 Pterygometopidae Pterygometopinae Achetella fredricki
25 Pterygometopidae Eomonorachinae Calyptaulax larrabeei
26 Raphiophoridae Ampyxina bellatula
26 Remopleurididae Hypodicranotus aff. striatulus
27 Styginidae Eobrontus aff. lunatus
28 Illaenidae Bumastinae Bumastoides beckeri

 

Galena Formation

Family Subfamily Genus Species
1 Asaphidae Isotelinae Isotelus gigas
2 Asaphidae Isotelinae Isotelus sp.
2 Asaphidae Isotelinae Anataphrus borraeus
3 Calymenidae Flexicalymene senaria
4 Calymenidae Flexicalymene croneisi
5 Cheiruridae Cheirurinae Ceraurinus marginatus
6 Cheiruridae Cheirurinae Ceraurus pleurexanthemus
6 Cheiruridae Cheirurinae Ceraurinella
  1. tenuisculptus
6 Cheiruridae Cheirurinae Pandaspinapyga
  1. projecta
7 Cheiruridae Acanthoparyphinae Holia
  1. magnaspina
8 Cheiruridae Deiphoninae Sphaerocoryphe
  1. arachniformis
9 Encrinuridae Encrinurinae Encriniroides vigilans
10 Encrinuridae Encrinurinae Encrinuroides sp.
10 Encrinuridae Cybelinae Cybelurus winchelli
11 Harpidae Dolichoharpes dentoni
12 Harpidae Hibertia ottawaensis
13 Illaenidae Bumastinae Bumastoides billingsi
14 Illaenidae Illaeninae Thaleops laurentiana
15 Lichidae Tetralichinae Amphilichas # 1
16 Lichidae Tetralichinae Amphilichas # 2
17 Lichidae Tetralichinae Amphilichas # 3
18 Lichidae Tetralichinae Amphilichas # 4
19 Lichidae Trochurinae Hemiarges paulianus
20 Pterygometopidae Eomonorachinae Calyptaulax callicephalus
21 Pterygometopidae Eomonorachinae Eomonorachis intermedius
22 Remopleurididae Hypodicranotus striatulus
23 Styginidae Failleana rowleyi
24 Styginidae Eobronteus lunatus

 

Decorah Shale

Family Subfamily Genus Species
1 Asaphidae Isotelinae Ectenaspis sp.
1 Asaphidae Isotelinae Isotelus latus
2 Asaphidae Isotelinae Isotelus walcotti
3 Asaphidae Isotelinae Isotelus gigas
4 Bathyuridae Raymondites ingalli (?)
5 Bathyuridae Raymondites spiniger
6 Calymenidae Flexicalymene senaria
7 Calymenidae Gravicalymene sp.
8 Cheiruridae Cheirurinae Ceraurus plattinensis
9 Cheiruridae Cheirurinae Gabriceraurus dentatus
10 Cheiruridae Acanthoparyphinae Acanthoparypha
  1. cf. subcircularis
11 Cheiruridae Cheirurinae Ceraurinus sp.
12 Dimeropygidae Dimeropyge galenensis
13 Encrinuridae Encrinurinae Physemataspis sp
14 Illaenidae Illaeninae Thaleops laurentiana
14 Illaenidae Illaeninae Thaleops
  1. sp.
14 Illaenidae Bumatinae Bumastoides porrectus
15 Illaenidae Bumatinae Bumastoides
  1. sp.
16 Lichidae Trochurinae Hemiarges paulianus
17 Lichidae Trochurinae Hemiarges
  1. leviculus
18 Lichidae Trochurinae Hemiarges
  1. sp.
19 Lichidae Tetralichinae Amphilichas
  1. cf. ottawensis
19 Lichidae Tetralichinae Amphilichas
  1. sp.
20 Proetidae Aulacopleuridae Harpidella
  1. sp.
20 Proetidae Proetus parviusculus
21 Pterygometopidae Eomonorachinae Calyptaulax schmidti
22 Pterygometopidae Eomonorachinae Eomonorachus intermedius
23 Pterygometopidae Eomonorachinae Sceptaspis lincolnensis
24 Pterygometopidae Pterygometopinae Achatella achates
25 Remopleurididae Hypodicranotus sp
26 Styginidae Eobrontus lunatus
27 Styginidae Failleana indeterminatus

 

Platteville Formation

Family Subfamily Genus Species
1 Asaphidae Asaphinae Basilicus barrandi
2 Asaphidae Isotelinae Ectenaspis homalonotoides
3 Asaphidae Isotelinae Isotelus aff. platycephalus
4 Asaphidae Isotelinae Isotelus simplex
4 Asaphidae Isotelinae Nahania sp.
5 Bathyuridae Raymondites longispinus
6 Cheiruridae Cheirurinae Gabriceraurus mifflinensis
7 Cheiruridae Cheirurinae Gabriceraurus
  1. sp.
8 Cheiruridae Cheirurinae Ceraurinella templetoni
9 Cheiruridae Cheirurinae Ceraurinella scofieldi
10 Cheiruridae Cheirurinae Acanthoparypha sp.
11 Cheiruridae Cheirurinae Bufoceraurus(?) herrmanni
12 Encrinoridae Cybelinae Cybeloides cimelia
13 Encrinuridae Encrinurinae Encrinuroides rarus
14 Harpidae Dolichoharpes reticulata
15 Illaenidae Illaeninae Thaleops ovata
16 Illaenidae Illaeninae Thaleops aff. augusticollis
17 Illaenidae Illaeninae Thaleops
  1. sp.
17 Illaenidae Illaeninae Thaleops
  1. sp.
18 Illaenidae Bumastinae Bumastoides milleri
19 Lichidae Tetralichinae Amphilichas # 1
20 Lichidae Tetralichinae Amphilichas # 2
21 Lichidae Tetralichinae Amphilichas # 3
22 Lichidae Trochurinae Hemiarges(?) sp
23 Lichidae Tetralichinae Probolichas robbinsi
24 Pterygometopidae Eomonorachinae Calyptaulax plattevillensis
25 Pterygometopidae Eomonorachinae Sceptaspis lincolnensis
26 Remopleurididae Hypodicranotus striatulus
27 Styginidae Failleana Indeterminatus
28 Pliomeridae Pliomerinae Anapliomera shirlandensis

 

If you enjoyed this article, Get email updates (It’s Free)

Leave a Reply

Your email address will not be published. Required fields are marked *