PBDB Collection

Union Chapel Mine (Carboniferous of the United States)

Also known as Steven C. Minkin Paleozoic Footprint Site

Where: Walker County, Alabama (33.8° N, 87.2° W)

• Paleocoordinates: 15.4° S, 29.2° W (Wright 2013)

• coordinate based on unpublished field data

• local area-level geographic resolution

When: Mary Lee coal zone Member (Pottsville Formation), Westphalian (318.7 - 307.4 Ma)

• Westphalian A

Environment/lithology: lagoonal or restricted shallow subtidal; lithified shale and lithified sandstone

Preservation: mold/impression, trace

Primary reference: H. Haubold, A. Allen, T. P. Atkinson, R. J. Buta, J. A. Lacefield, S. C. Minkin, and B. A. Relihan. 2005. Interpretation of the tetrapod footprints from the early Pennsylvanian of Alabama. Alabama Paleontological Society Monograph 1:75-111 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 81525: authorized by Mark Uhen, entered by Mark Uhen on 29.06.2008, edited by Matthew Clapham

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Selenichnites sp.⁴, Arborichnus repetita⁴ Selenichnites sp.⁴ Arborichnus repetita⁴
Trigonocarpus
-	Trigonocarpus sp.³, Trigonocarpus ampulliforme³ Trigonocarpus sp.³ Brongniart 1828 Trigonocarpus ampulliforme³ Lesquereux 1884
Carpolithes
-	Carpolithes sp.³ Carpolithes sp.³ Schlotheim 1820
Polypodiopsida
Equisetales - Equisetidae	Calamites goepperti³, Calamites undulatus³, Calamites suckowii³, Asterophyllites charaeformis³, Calamostachys sp.³ Calamites goepperti³ Ettingshausen 1854 Calamites undulatus³ Sternberg 1825 Calamites suckowii³ Brongniart 1828 Asterophyllites charaeformis³ Goeppert 1844 Calamostachys sp.³ Schimper 1869
Pteropsida
Filicinae -	Alethopteris valida³ Alethopteris valida³ Boulay 1876
Sphenopteridae
- Sphenopteridae	Sphenopteris pottsvillea³, Sphenopteris elegans³, Lyginopteris hoeninghausi³ Sphenopteris pottsvillea³ Gastaldo and Boersma 1983 Sphenopteris elegans³ Brongniart 1822 Lyginopteris hoeninghausi³ Potonie 1897
Myeloxylon
-	Myeloxylon sp.³ Myeloxylon sp.³ Brongniart 1849
Neuropteridae
- Neuropteridae	Cyclopteris sp.³, Neuralethopteris pocahontas³, Neuralethopteris biformis³ Cyclopteris sp.³ Brongniart 1828 Neuralethopteris pocahontas³ White 1900 Neuralethopteris biformis³ Lesquereux 1880
Sigillariaceae
- Sigillariaceae	Syringodendron sp.³ Syringodendron sp.³ Sternberg 1820

Lepidodendrales - Lepidodendraceae	Lepidophloios laricinus³, Lepidodendron obovatum³, Lepidodendron aculeatum³, Lepidostrobophyllum cf. majus³, Lepidophylloides intermedium³, Aspidiopsis sp.³ Lepidophloios laricinus³ Sternberg 1820 Lepidodendron obovatum³ Sternberg 1820 Lepidodendron aculeatum³ Sternberg 1820 Lepidostrobophyllum cf. majus³ Lepidophylloides intermedium³ Lindley and Hutton 1831 Aspidiopsis sp.³ Potonie 1893
Whittleseya elegans
-	Whittleseya elegans³ Whittleseya elegans³ Newberry 1853
Holcospermum
-	Holcospermum sp.³ Holcospermum sp.³ Nathorst 1914
Pinopsida
Cordaitanthales -	Cordaites sp.³ Cordaites sp.³ Unger 1850
Cordaitopsida
- Cordaitaceae	Cordaicarpon sp.³, Artisia sp.³ Cordaicarpon sp.³ Geinitz 1862 Artisia sp.³ Sternberg 1838

Coniferales -	Lepidostrobus sp.³ Lepidostrobus sp.³ Brongniart 1828 species A & B
Amphibia
Temnospondyli - Dissorophidae	Cincosaurus cobbi, Notalacerta missouriensis, Attenosaurus subulensis Cincosaurus cobbi Aldrich and Jones 1930 tetrapod Notalacerta missouriensis Butts 1891 tetrapod Attenosaurus subulensis Aldrich 1930 tetrapod
Temnospondyli -	Nanopus reidiae n. sp. Nanopus reidiae n. sp. Haubold et al. 2005 tetrapod
-	Matthewichnus caudifer Matthewichnus caudifer Kohl and Bryan 1994 tetrapod
Undichna
-	Undichna sp.⁵ Undichna sp.⁵ Anderson 1976
Insecta
Dicondylia - Syntonopteridae	Anniedarwinia alabamensis n. gen. n. sp.² Anniedarwinia alabamensis n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect Univ. Alabama MNH PV2005.7.2.252 (UCM 1076)
Dicondylia -	Palaeodictyoptera indet.¹ Palaeodictyoptera indet.¹ Goldenberg 1877 winged insect
Megasecoptera - Ancopteridae	Agaeoleptoptera uniotempla n. gen. n. sp.² Agaeoleptoptera uniotempla n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect Univ. Alabama MNH PV2005.0007.0260 (UCM2368/9)
Diaphanopterodea - Namurodiaphidae	Camptodiapha atkinsoni n. gen. n. sp.² Camptodiapha atkinsoni n. gen. n. sp.² Beckemeyer and Engel 2011 winged insect McWane Science Center WSC #MSC9334 (UCM3045)

Ichnofossils -	Protovirgularia sp.⁴, Cochlichnus sp.⁴, Treptichnus apsorum n. sp.⁶, Arenicolites longistriatus n. sp.⁶, Diplichnites gouldi⁴, Kouphichnium sp.⁴, Palaeophycus sp.⁴ Protovirgularia sp.⁴ M'Coy 1850 Cochlichnus sp.⁴ Hitchcock 1858 Treptichnus apsorum n. sp.⁶ Rindsberg and Kopaska-Merkel 2005 Arenicolites longistriatus n. sp.⁶ Rindsberg and Kopaska-Merkel 2005 Diplichnites gouldi⁴ Kouphichnium sp.⁴ Nopcsa 1923 Palaeophycus sp.⁴ Hall 1847

¹Atkinson 2005; ²Beckemeyer and Engel 2011; ³Dilcher et al. 2005; ⁴Lucas and Lerner 2005; ⁵Martin and Pyenson 2005; ⁶Rindsberg and Kopaska-Merkel 2005