Zalas, bed 4 (Jurassic of Poland)

Where: Poland (50.1° N, 19.6° E: paleocoordinates 41.9° N, 26.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Plicatilis ammonoid zone, Jasna Gora Formation, Middle Oxfordian (161.2 - 155.7 Ma)

• early Middle Oxfordian

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified marl

• below wave base, water depth 150-200 m
• marl and marly limestones with ammonites, sponges, brachiopods

Size class: macrofossils

Primary reference: J. Trammer. 1982. Lower to Middle Oxfordian sponges of the Polish Jura. Acta Geologica Polonica 32:1-39 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114246: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hexactinellida
 Hexactinosa - Euretidae
"Walcotella texturata" = Ordinatus texturatus
"Walcotella texturata" = Ordinatus texturatus Goldfuss 1826 glass sponge
Demospongiae
 Spirosclerophorida -
Reiswigia ramosa
Reiswigia ramosa Trammer 1979 demosponge
 Spirosclerophorida - Jereicidae
Jereica sp.
Jereica sp. Zittel 1878 demosponge
 Spirosclerophorida - Scleritodermatidae
Leiodorella foliacea
Leiodorella foliacea Oppliger 1926 demosponge
 Spirosclerophorida - Cnemidiastridae
Cnemidiastrum stellatum, "Cnemidiastrum rimulosum" = Cnemopeltia (Cnemopeltia) rimulosum
Cnemidiastrum stellatum Goldfuss 1826 demosponge
"Cnemidiastrum rimulosum" = Cnemopeltia (Cnemopeltia) rimulosum Goldfuss 1826 demosponge
 Tetralithistida - Cylindrophymatidae
Cylindrophyma milleporata
Cylindrophyma milleporata Goldfuss 1826 demosponge