Llandegley Rocks (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.3° N, 3.3° W: paleocoordinates 58.7° S, 18.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: uppermost Didymograptus artus or Didymograptus murchisoni graptolite zone, Builth Volcanic Formation, Llanvirn (466.0 - 460.9 Ma)

• uppermost Didymograptus artus or Didymograptus murchisoni zone

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, coarse-grained, volcaniclastic sandstone

Size class: macrofossils

Primary reference: J. P. Botting. 2005. Exceptionally well-preserved Middle Ordovician sponges from the Llandegley Rocks Lagerst├Ątte, Wales. Palaeontology 48(3):577-617 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119434: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongea
 Streptosclerophorida - Hindiidae
? Microspongia sp. Miller and Dyer 1878 demosponge
 Haplosclerida -
Palaeocallyoides improbabilis n. gen. n. sp. Botting 2005 demosponge
 Dictyoceratida - Spongiidae
Onerosiconcha gregalia n. gen. n. sp.
Onerosiconcha gregalia n. gen. n. sp. Botting 2005 demosponge
 Dictyoceratida - Dysideidae
Vadosifistula milvus n. gen. n. sp., Ordinisabulo quadragintaforma n. gen. n. sp., Miritubus erinaceus n. gen. n. sp.
Vadosifistula milvus n. gen. n. sp. Botting 2005 demosponge
Ordinisabulo quadragintaforma n. gen. n. sp. Botting 2005 demosponge
Miritubus erinaceus n. gen. n. sp. Botting 2005 demosponge
Hexactinellida
 Lyssacinosa - Pseudolanciculidae
Pseudolancicula cf. exigua Webby and Trotter 1993 glass sponge
Polycornua trescelestus n. gen. n. sp. Botting 2005 glass sponge
Polycornua entropus n. sp. Botting 2005 glass sponge
 Lyssacinosa - Malumispongiidae
Spissiparies minuta n. gen. Pulfrey 1933 glass sponge
 Lyssacinosa -
Brevicirrus arenaceus n. gen. n. sp. Botting 2005 glass sponge
Pyritonema scopula n. sp. Botting 2005 glass sponge
 Reticulosa - Dictyospongiidae
Reticulicymbalum tres n. gen. n. sp.
Reticulicymbalum tres n. gen. n. sp. Botting 2005 glass sponge
 Reticulosa - Triactinellidae
Triactinella rigbyi n. gen. n. sp.
Triactinella rigbyi n. gen. n. sp. Botting 2005 glass sponge
Heteractinida
 Octactinellida - Astraeospongiidae
Microastraeum tenuis n. gen. n. sp.
Microastraeum tenuis n. gen. n. sp. Botting 2005