Semarang Ngemak Borehole B (60-70 m) - Java (Miocene of Indonesia)

Where: Indonesia (7.0° S, 110.4° E: paleocoordinates 7.2° S, 111.3° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Late/Upper Miocene (11.6 - 5.3 Ma)

• STRATIGRAPHIC RELATIONS: Unknown lithostratigraphic unit and relationship to other units. AGE: Late Miocene.

• formation-level stratigraphic resolution

Environment/lithology: marine

• ENVIRONMENT: Environmental data not reported in text.
• LITHOLOGY: Lithologic and lithification data not reported in text.

Size class: macrofossils

Collection methods: core,

• COLLECTOR: Presumably K. Martin. REPOSITORY: Natt. Natuurhist. Mus., Leiden and GRDC Coll., Bandung (Indonesia).

Primary reference: S. K. Skwarko. 1994. Mollusca in Indonesian Cenozoic biostratigraphy (a computerised compilation) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70091: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Exhaustive for Mollusca. Other groups not treated by primary reference. NOMENCLATURE: Authoritative and relatively modern nomenclature applied. Nomenclature revised by van den Hoek et al. (2002) and Hendy (2007).
Gastropoda
 Trochoidea - Turbinidae
Angaria (Angaria) sphaerula Kiener 1838 Spherule Delphinula
 Trochoidea - Trochidae
Gibbula nodifer top snail
 Cerithioidea - Thiaridae
"Melania semigranosa" = Thiara snail
 Sorbeoconcha - Strombidae
 Neogastropoda - Terebridae
 Sorbeoconcha - Triviidae
Pusula (Dolichupis) smithi Martin 1884 snail
Bivalvia
 Arcida - Noetiidae
 Arcida - Arcidae
Barbatia subtrigonalis Martin 1883 clam
Scapharca inaequivalvis Bruguierre 1789 clam
Arca debilis Martin 1883 ark
Arca hispida Philippi 1849 ark
 Arcida - Glycymerididae
Melaxinaea pectiniformis Lamarck 1819 clam
Glycymeris gembacanus Martin 1883 clam
Glycymeris martini Finlay 1927 clam
 Arcida - Limopsidae
 Cardiida - Veneridae
Callista aurita venus clam
"Dosinia boettgeri" = Dosinia (Dosinia) boettgeri Martin 1879 venus clam
Chione dijki venus clam
 Nuculanida - Nuculanidae
"Nuculana subtrigonalis" = Leda subtrigonalis, "Nuculana (Saccella) dijki" = Leda dijki
"Nuculana subtrigonalis" = Leda subtrigonalis Martin 1883 pointed nut clam
"Nuculana (Saccella) dijki" = Leda dijki Martin 1883 pointed nut clam