Llanfawr Quarry 2a, Llandrindod (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.2° N, 3.4° W: paleocoordinates 51.8° S, 18.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Llanfawr Mudstone Formation, Sandbian (458.4 - 453.0 Ma)

• "sponge beds and spiculite", lowest exposures at Llanfawr

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

• middle to outer shelf
• thin (5-10 cm) ferruginous spiculite, overlying blue mudstones

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. P. Botting. 2004. An exceptional Caradoc sponge fauna from the Llanfawr Quarries, central Wales and phylogenetic implications. Journal of Systematic Palaeontology 2(1):31-63 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120627: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hexactinellida
  -
Hemidiagoniella tenax n. gen. n. sp., Hemidiagoniella caseus n. sp.
Hemidiagoniella tenax n. gen. n. sp. Botting 2004 glass sponge
Hemidiagoniella caseus n. sp. Botting 2004 glass sponge
 Lyssakida -
Dilatispongia tumidus n. gen. n. sp.
Dilatispongia tumidus n. gen. n. sp. Botting 2004 glass sponge
  -
Solusrectus rosetta n. gen. n. sp.
Solusrectus rosetta n. gen. n. sp. Botting 2004 glass sponge
 Reticulosa -
Protospongioidea "indet. A", Protospongioidea "indet. B", Protospongioidea "indet. C", Protospongioidea "indet. D"
Protospongioidea "indet. A" Hinde 1887 glass sponge
Protospongioidea "indet. B" Hinde 1887 glass sponge
Protospongioidea "indet. C" Hinde 1887 glass sponge
Protospongioidea "indet. D" Hinde 1887 glass sponge
 Reticulosa - Protospongiidae
Heminectere minima n. gen. n. sp.
Heminectere minima n. gen. n. sp. Botting 2004 glass sponge
 Reticulosa - Hintzespongiidae
Cyathophycus loydelli
Cyathophycus loydelli Botting 2004 glass sponge
 Reticulosa - Asthenospongiidae
Acutipuerilis spinosus n. gen. n. sp., Asthenospongia cambria n. sp., Granulispongia obscura n. gen. n. sp.
Acutipuerilis spinosus n. gen. n. sp. Botting 2004 glass sponge
Asthenospongia cambria n. sp. Botting 2004 glass sponge
Granulispongia obscura n. gen. n. sp. Botting 2004 glass sponge
Demospongiae
 Protomonaxonida - Hazeliidae
Xylochos palindromica
Xylochos palindromica Botting 2004 demosponge