PBDB Collection

Black Rock Limestone from Burrington Combe, Bed 18, Lower Carboniferous, (Middle (Carboniferous of the United Kingdom)

Where: England, United Kingdom (51.3° N, 2.7° W: paleocoordinates 14.7° S, 0.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Black Rock Formation, Tournaisian (358.9 - 346.7 Ma)

• bed is 42 feet thick; top of bed is 813 feet above base

• bed-level stratigraphic resolution

Environment/lithology: marine; dolomitic, shelly/skeletal, gray limestone

• grey to dark grey well-bedded rather fine-grained limestone with scattered coarse crinoidal debris; rather dolomitized and mostly weathering to a fawn color

Preservation: replaced with silica

Primary reference: G. W. Green, M. A. Welch, and F. B. A. Welch. 1965. Geology of the Country around Wells and Cheddar (Explanation of One-inch Geological Sheet 280, New Series). Memoirs of the Geological Survey of Great Britain (280)1-225 [A. Miller/D. Carlson/O. Alfaro]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8762: authorized by Arnold Miller, entered by Donna Carlson on 28.08.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• No crinoid identifications are made in the list but the rock is described as containing "crinoidal debris"

Show authors, comments, and common names

Anthozoa
Auloporida - Syringoporidae	Syringopora sp. Syringopora sp. Goldfuss 1826 tabulate coral
Stauriida - Cyathopsidae	Caninia cf. cylindrica Caninia cf. cylindrica horn coral
Stauriida - Amplexidae	Amplexus ? sp., Amplexus cf. coralloides Amplexus ? sp. Sowerby 1814 horn coral Amplexus? or Caninia? Amplexus cf. coralloides Sowerby 1814 horn coral
Stauriida - Antiphyllidae	Fasciculophyllum densum, Fasciculophyllum omaliusi Fasciculophyllum densum horn coral Fasciculophyllum omaliusi horn coral
Strophomenata
Strophomenida - Chonetidae	Chonetes aff. papilionacea, Chonetes sp. Chonetes aff. papilionacea Chonetes sp. Fischer de Waldheim 1830 Chonetes sp. nov. and C. (Megachonetes) sp. and C. (Plicochonetes) sp. and C. (Rugosochonetes) sp.
Orthotetida - Pulsiidae	Schellwienella aspis, Schellwienella cf. resupinata Schellwienella aspis Schellwienella cf. resupinata
Orthotetida - Schuchertellidae	Schuchertella ? sp. Schuchertella ? sp. Girty 1904
Productida - Echinoconchidae	"Productus (Pustula) pyxidiformis" = Pustula, "Productus (Pustula) cf. pyxidiformis" = Pustula "Productus (Pustula) pyxidiformis" = Pustula P. (Pustula) pyxidiformis "Productus (Pustula) cf. pyxidiformis" = Pustula P. (Pustula) cf. pyxidiformis
Productida - Productidae	"Productus (Dictyoclostus) vaughani" = Dictyoclostus, "Productus (Dictyoclostus) sp." = Dictyoclostus "Productus (Dictyoclostus) vaughani" = Dictyoclostus P. (Dictyoclostus) vaughani "Productus (Dictyoclostus) sp." = Dictyoclostus Muir-Wood 1930 P. (Dictyoclostus) sp.
Rhynchonellata
Spiriferinida - Syringothyrididae	Syringothyris sp. Syringothyris sp.
Spiriferida -	Spiriferidina indet. Spiriferidina indet. Waagen 1883 smooth spiriferid
Spiriferida - Spiriferidae	"Unispirifer tornacensis" = Atylephorus tornacensis "Unispirifer tornacensis" = Atylephorus tornacensis de Koninck 1883
Stenolaemata
Cryptostomata - Fenestellidae	Fenestella sp. Fenestella sp. Lonsdale 1839
Gastropoda
Euomphalina - Euomphalidae	Straparollus (Euomphalus) cf. pentangulatus Straparollus (Euomphalus) cf. pentangulatus Sowerby 1814 snail Straparollus (Euomphalus) cf. pentangulatus