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

Hexactinellida
  -
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 - Hintzespongiidae
Cyathophycus loydelli Botting 2004 glass sponge
 Reticulosa - Asthenospongiidae
Acutipuerilis spinosus n. gen. n. sp. Botting 2004 glass sponge
Granulispongia obscura n. gen. n. sp. Botting 2004 glass sponge
Asthenospongia cambria n. sp. Botting 2004 glass sponge
 Reticulosa -
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
Demospongiae
 Protomonaxonida - Hazeliidae
Xylochos palindromica Botting 2004 demosponge