Sibolong, Yogyakarta, Java, Indonesia (Miocene of Indonesia)

Also known as Reef 2042

Where: Java, Indonesia (7.7° S, 110.1° E: paleocoordinates 7.7° S, 113.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Djunggrangan Member (Progo Beds Formation), Burdigalian (20.4 - 16.0 Ma)

• Age assignment based on van Bemmelen (1949)

• group of beds-level stratigraphic resolution

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

• Small coral patches in marls. Base of reef limestone.

Size class: macrofossils

Collection methods: 36 coral species described from member in total.

Primary reference: R. Osberger. 1954. Jungtertiäre Korallen von Java. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 100:119-158 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34721: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 17.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Corals only
 Scleractinia - Poritidae
Alveopora sp. Blainville 1830 stony coral
Porites sp. Link 1807 stony coral
8 specimens from both locs.
Goniopora planulata Ehrenberg 1834 stony coral
 Scleractinia - Agariciidae
Leptoseris sibolongensis n. sp. stony coral
 Scleractinia - Haplaraeidae
Confusastraraea obsoleta stony coral
listed as Confusastrea obsoleta - 14 specimens from both locs.
Confusastraraea djunggranganensis n. sp. stony coral
Confusastrea n. sp. djunggranganensis
 Scleractinia - Merulinidae
Cyphastrea gerthi n. sp. stony coral
Cyphastrea tubifera Gerth 1923 stony coral
Cyphastrea gemmulifera Gerth 1921 stony coral
 Scleractinia - Faviidae
"Hydnophyllia martini" = Colpophyllia stony coral
Favia macrocalyx Felix 1913 stony coral
 Scleractinia - Mussidae
 Coenothecalia - Helioporidae
Progonopora variabilis Gerth 1933 blue coral