Khao Phrik, Locality 3, Rat Buri: Wordian, Thailand
collected by J. Yanagida, S. Sakagami 1965-1966

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Stauriida - Hapsiphyllidae
Allotropiophyllum sp. Grabau 1928
Rhynchonellata - Terebratulida - Notothyrididae
Notothyris nucleola
Yanagida 1970
(2 measurements)
    = Notothyris triplax Grant 1976
Grant 1976
Rhynchonellata - Terebratulida - Dielasmatidae
? Dielasma sp. King 1856
Yanagida 1970
(1 measurement)
Rhynchonellata - Terebratulida - Gillediidae
Hemiptychina himalayensis (Davidson 1862)
Yanagida 1970
(2 measurements)
    = Hemiptychina mintrita Grant 1976
Grant 1976
Rhynchonellata - Spiriferinida - Paraspiriferinidae
Spiriferellina multiplicata (Sowerby 1829)
Yanagida 1970
(1 measurement)
    = Paraspiriferina cf. ghundiensis Reed 1944
Grant 1976
Rhynchonellata - Spiriferinida - Spiriferellinidae
Spiriferellina cristata (von Schlotheim 1816)
Yanagida 1970
(3 measurements)
    = Spiriferellina adunctata Waterhouse and Piyasin 1970
Grant 1976
corrected as Spiriferellina aduncata
Rhynchonellata - Athyridida - Neoretziidae
Hustedia nakornsrii n. sp. Yanagida 1970
Yanagida 1970
synonym of Hustedia ratburiensis
(4 measurements)
Rhynchonellata - Athyridida - Athyrididae
Cleiothyridina sp. Buckman 1906
Yanagida 1970
    = Cleiothyridina seriata Grant 1976
Grant 1976
Rhynchonellata - Spiriferida - Elythidae
Phricodothyris sp. George 1932
Yanagida 1970
(1 measurement)
    = Permophricodothyris notialasiatica Grant 1976
Grant 1976
Rhynchonellata - Orthida - Schizophoriidae
Rhipidomella sp.
Yanagida 1970
    = Orthotichia waterhousei Grant 1976
Grant 1976
recombined as Kotlaia waterhousei
Strophomenata - Orthotetida - Meekellidae
Meekellinae indet. Stehli 1954
Yanagida 1970
    = Meekella colpata Grant 1976
Grant 1976
Strophomenata - Productida - Lyttoniidae
Leptodus sp. Kayser 1883
Yanagida 1970
Strophomenata - Productida - Echinoconchidae
Cancrinella sp.
Yanagida 1970
    = Bilotina acantha Waterhouse and Piyasin 1970
Grant 1976
Strophomenata - Productida
Marginifera aff. ovalis Waagen 1884
Yanagida 1970
    = Marginifera otaria Grant 1976
Grant 1976
recombined as Marginifera (Otariella) otaria
Strophomenata - Strophomenida - Rugosochonetidae
Neochonetes sakagamii n. sp. Yanagida 1970
Yanagida 1970
synonym of Waterhouseiella speciosa
(1 measurement)
Ratburia komalarjuni n. gen., n. sp. Yanagida 1970
Yanagida 1970
synonym of Striochonetes scutella
(1 measurement)
Stenolaemata - Cystoporida - Hexagonellidae
Hexagonella robusta n. sp. Sakagami 1968
Hexagonella khaophrikensis n. sp. Sakagami 1968
Stenolaemata - Cystoporata - Fistuliporidae
Fistulipora sp. McCoy 1850
Fistulipora ramosa Sakagami 1966
replaced by Fistulipora horowitzi
Stenolaemata - Cryptostomata - Acanthocladiidae
Polypora sp.
Polypora aff. variocellata Trizna 1939
Acanthocladia thaiensis n. sp. Sakagami 1968
Stenolaemata - Cryptostomata - Fenestellidae
Fenestella megacapillaris n. sp. Sakagami 1968
recombined as Alternifenestella megacapillaris
Stenolaemata - Cryptostomata - Hyphasmoporidae
Streblascopora sp. Bassler 1929
    = Ogbinopora sp. Shishova 1965
Sakagami 1971
Streblascopora ratburiensis n. sp. Sakagami 1968
recombined as Ogbinopora ratburiensis
? Streblotrypa crassa n. sp. Sakagami 1968
Stenolaemata - Rhabdomesida - Rhabdomesidae
Ascopora sp.
Ascopora nakornsrii n. sp. Sakagami 1968
Ascopora asiatica n. sp. Sakagami 1968
Ascopora yanagidae n. sp. Sakagami 1968
Ascopora magna n. sp. Sakagami 1968
see common names

Geography
Country:Thailand State/province:Ratchaburi
Coordinates: 13.5° North, 99.7° East (view map)
Paleocoordinates:28.9° South, 98.5° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Permian Epoch:Guadalupian
Stage:Wordian 10 m.y. bin:Permian 4
Key time interval:Wordian
Age range of interval:266.90000 - 264.28000 m.y. ago
Stratigraphy
Formation:Rat Buri
Stratigraphic resolution:group of beds
Stratigraphy comments: The age of the Rat Buri fauna is problematic. "Rat Buri" limestones likely range in age from Kungurian through Capitanian to perhaps Wuchiapingian. Wordian fusulinids appear most common in other collections, but are not found in association with the brachiopod localities. The brachopod fauna is most similar to the Wordian Amb Formation of the Salt Range, in Pakistan, tentatively indicating a Wordian age.
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Secondary lithology:black lithified argillaceous,carbonaceous "limestone"
Includes fossils?Y
Includes fossils?Y
Lithology description: Two kinds of rock: muddy pale limestone and a black limestone that left a large residue of carbonaceous clay
Environment:offshore shelf
Geology comments: Fore-reef that is relatively open to the sea
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:taxonomic analysis
Collectors:J. Yanagida, S. Sakagami Collection dates:Winter 1965-1966
Metadata
Database number:116879
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2011-09-13 12:22:44 Last modified:2020-04-14 22:41:54
Access level:the public Released:2011-09-13 12:22:44
Creative Commons license:CC BY
Reference information

Primary reference:
33665. S. Sakagami. 1968. Permian Bryozoa from Khao Phrik, near Rat Buri, Thailand. Geology and Palaeontology of Southeast Asia 4:45-66 [M. Clapham/M. Clapham]

Secondary references:

11031 R. E. Grant. 1976. Permian brachiopods from southern Thailand. Paleontological Society Memoir 9:1-269 [D. Bottjer/M. Clapham/M. Clapham]
33667 S. Sakagami. 1971. On the Palaeozoic Bryozoa collected by Dr C K Burton from Chumphon, peninsular Thailand. Geology and Palaeontology of Southeast Asia 9:135-146 [M. Clapham/M. Clapham]
53205 J. Yanagida. 1970. Permian brachiopods from Khao Phrik, near Rat Buri, Thailand. Geology and Palaeontology of Southeast Asia 8:69-96 [M. Clapham/M. Clapham]