Zhvantez' (Silurian of Ukraine)

Also known as Жванца, Żwaniec

Where: Podolia, Ukraine (48.6° N, 26.5° E: paleocoordinates 22.8° S, 7.3° E)

• local area-level geographic resolution

When: Ustje Member (Bagovitsa Formation), Gorstian (427.4 - 425.6 Ma)

• Ustje member appears to be whence molluscs come.

• member-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: P. N. Wenjukov. 1899. Die Fauna der silurischen Ablagerungen des Gourvernements Podolien). Materialien zur Geologie Russlands 19:21-266 [G. Webster/G. Webster/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155618: authorized by Pete Wagner, entered by Pete Wagner on 20.04.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• Includes:

•Spanila sp.

•Encrinurus (?) obtusus

Gastropoda
 Murchisoniina - Subulitidae
Subulites sp. Emmons 1842 snail
 Murchisoniina - Hormotomidae
"Murchisonia cf. compressa" = Catazone compressa
"Murchisonia cf. compressa" = Catazone compressa Lindström 1884 snail
 Murchisoniina - Lophospiridae
Loxoplocus gothlandicus Ulrich and Scofield 1897 snail
 Murchisoniina - Phanerotrematidae
"Pleurotomaria lloydi" = Ulrichospira lloydii
"Pleurotomaria lloydi" = Ulrichospira lloydii de Sowerby and Murchison 1839 snail
 Euomphalina - Oriostomatidae
"Oriostoma globosa" = Oriostoma globosum, Oriostoma sculpta
"Oriostoma globosa" = Oriostoma globosum von Schlotheim 1820 snail
includes Oriostoma globosa sculptum
Oriostoma sculpta Murchison 1839 snail
Oriostoma globosa sculptum
 Euomphalina - Holopeidae
"Euomphalus orinini" = Pachystrophia orinini
"Euomphalus orinini" = Pachystrophia orinini Wenjukov 1899 snail
 Euomphalina - Euomphalidae
"Oriostoma discors" = Poleumita discors, "Pleurotomaria aff. cirrhosa" = Euomphalopterus cirrhosa, "Pleurotomaria alata" = Euomphalopterus alatus
"Oriostoma discors" = Poleumita discors Sowerby 1814 snail
"Pleurotomaria aff. cirrhosa" = Euomphalopterus cirrhosa Lindström 1884 snail
"Pleurotomaria alata" = Euomphalopterus alatus Wahlenberg 1821 snail
Trilobita
 Corynexochida - Styginidae
"Illaenus bouchardi" = Lalax bouchardi
"Illaenus bouchardi" = Lalax bouchardi Barrande 1846 trilobite
 Proetida - Proetidae
Proetus concinnus Dalman 1827 trilobite
 Phacopida - Encrinuridae
Encrinurus punctatus Wahlenberg 1821 trilobite
 Phacopida - Acastidae
"Phacops (Acaste) downingiae" = Acaste downingiae
"Phacops (Acaste) downingiae" = Acaste downingiae Murchison 1839 trilobite