Predziszow, Tenuicostatum Subzone, Polish Jura (Jurassic of Poland)

Also known as Reef 3437

Where: Poland (50.8° N, 19.2° E: paleocoordinates 42.6° N, 26.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Middle Oxfordian (161.2 - 155.7 Ma)

• Plicatilis Zone, Tenuicostatum Subzone

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• "rigid" bioherm
• massive limestone, contains small stromatolites

Size class: macrofossils

Collection methods: sponges only; brachiopods and small ammonites reported to be present, but not listed

Primary reference: J. Trammer. 1989. Middle to Upper Oxfordian sponges of the Polish Jura. Acta Geologica Polonica 39(1-4):49-91 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60807: authorized by Wolfgang Kiessling, entered by Uta Merkel on 24.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Hexactinellida
 Lychniscosa - Dactylocalycidae
Dactylocalyx sp. Stutchbury 1841 glass sponge
 Lychniscosa - Cypelliidae
Cypellia rugosa Goldfuss 1826 glass sponge
 Hexactinosa - Cribrospongiidae
"Tremadictyon reticulatum" = Cribrospongia reticulata, "Walcotella pertusa" = Keuppiella pertusa
"Tremadictyon reticulatum" = Cribrospongia reticulata Goldfuss 1826 glass sponge
"Walcotella pertusa" = Keuppiella pertusa Goldfuss 1826 glass sponge
 Hexactinosa - Euretidae
Ordinatus texturatus Goldfuss 1826 glass sponge
 Innaecoeliida - Craticulariidae
Demospongiae
 Spirosclerophorida -
Reiswigia ramosa Trammer 1979 demosponge
 Spirosclerophorida - Discostromatidae
"Hyalotragos radiatum" = Pyrgochonia (Actinostrombus) radiata Goldfuss 1829 demosponge
Hyalotragos pezizoides Goldfuss 1833 demosponge
Hyalotragos patella Goldfuss 1826 demosponge
 Spirosclerophorida - Platychoniidae
Platychonia schlotheimi Goldfuss 1833 demosponge
 Spirosclerophorida - Cnemidiastridae
Cnemidiastrum stellatum Goldfuss 1826 demosponge
"Cnemidiastrum rimulosum" = Cnemopeltia (Cnemopeltia) rimulosum Goldfuss 1826 demosponge