11 - LC (Silurian of the United States)

Where: Indiana (38.7° N, 85.5° W: paleocoordinates 25.4° S, 55.1° W)

When: Lee Creek Member (Brassfield Formation), Llandovery (443.4 - 433.4 Ma)

Environment/lithology: dolomite

Size class: microfossils

Primary reference: R. S. Nicoll and C. B. Rexroad. 1968. Stratigraphy and conodont paleontology of the Salamonie Dolomite and Lee Creek Member of the Brassfield Limestone (Silurian) in southeastern Indiana and adjacent Kentucky. Department of Natural Resources Geological Survey Bulletin 40:1-73 [E. Jarochowska/E. Jarochowska]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 180906: authorized by Emilia Jarochowska, entered by Paulina Nätscher on 07.08.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Icriodina irregularis, Icriodina stenolophata, Spathognathus polinclinatus, Neorioniodus planus, Spathognathus hadros
Conodonta
  -
Trichonodella asymmetrica
 Belodellida - Dapsilodontidae
"Acodus cf. inornatus" = Dapsilodus mutatus
"Acodus cf. inornatus" = Dapsilodus mutatus Branson and Mehl 1933 conodont
 Belodellida - Belodellidae
"Acodus curvatus" = Walliserodus curvatus
"Acodus curvatus" = Walliserodus curvatus Branson and Branson 1947 conodont
 Ozarkodinida -
Ozarkodina hanoverensis
 Ozarkodinida - Pterospathodontidae
"Neospathognathodus ceratoides" = Aulacognathus, "Neospathognathodus latus" = Aulacognathus latus
"Neospathognathodus ceratoides" = Aulacognathus conodont
"Neospathognathodus latus" = Aulacognathus latus Nicoll and Rexroad 1968 conodont
 Panderodontida - Panderodontidae
Panderodus simplex, Panderodus unicostatus
Panderodus unicostatus Branson and Mehl 1933 conodont
 Prioniodontida - Acodontidae
Acodus unicostatus
 Prioniodontida -
"Ligonodina variabilis" = Oulodus, "Trichonodella excavata" = Oulodus walliseri
"Ligonodina variabilis" = Oulodus conodont
"Trichonodella excavata" = Oulodus walliseri Ziegler 1960 conodont
 Prioniodontida - Distomodontidae
"Hadrognathus staurognathoides" = Distomodus staurognathoides, "Roundya caudata" = Distomodus staurognathoides, Distomodus kentuckyensis
"Hadrognathus staurognathoides" = Distomodus staurognathoides Walliser 1964 conodont
"Roundya caudata" = Distomodus staurognathoides Walliser 1964 conodont
Distomodus kentuckyensis Branson and Branson 1947 conodont
 Prioniodontida - Balognathidae
Pterospathodus amorphognathoides, "Roundya detorta" = Lonchodina detorta
Pterospathodus amorphognathoides Walliser 1964 conodont
"Roundya detorta" = Lonchodina detorta Walliser 1964 conodont
 Protopanderodontida - Protopanderodontidae
Drepanodus aduncus
 Protopanderodontida - Drepanoistodontidae
Paltodus debolti, Paltodus migratus, Paltodus dyscritus
Paltodus dyscritus Rexroad 1967 conodont
Conodontophorida
  -
"Trichonodella ? expansa" = Exochognathus expansus
"Trichonodella ? expansa" = Exochognathus expansus Nicoll and Rexroad 1969