PBDB Collection

Ha Lang, Ha Lang Beds (Devonian of Vietnam)

Also known as Reef 2981

Where: Vietnam (22.7° N, 106.7° E: paleocoordinates 2.2° N, 117.6° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Ha Lang Formation (Ban Pap Group), Givetian (387.7 - 382.7 Ma)

• 500 m thick, Caliapora battersbyi complex

• formation-level stratigraphic resolution

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

• bioherm and reef-related limestones

Size class: macrofossils

Primary reference: T. Tong-Dzuy, T. H. Dang, D. H. Nguyen, D. K. Nguyen, H. H. Nguyen, T. D. Nguyen, H. P. Ta, K. N. Pham, and N. T. Doan. 1988. Stratigrafiya i tselenteraty Dewona W'etnama, 1: Stratigrafiya [Devonian stratigraphy and coelenterata of Vietnam, 1: Stratigraphy] 5-184 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83244: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Corolites haoi Corolites haoi
Rhynchonellata
Pentamerida - Gypidulidae	Gypidula aff. biplicata, Ivdelinia (Procerulina) nalivkini Gypidula aff. biplicata Schnur 1851 Ivdelinia (Procerulina) nalivkini
Atrypida - Atrypidae	Spinatrypa aspera, Desquamatia ex gr. desquamata Spinatrypa aspera Desquamatia ex gr. desquamata
Spiriferida - Ambocoeliidae	Emanuella takwanensis, Emanuella cicer Emanuella takwanensis Emanuella cicer
Terebratulida - Stringocephalidae	Stringocephalus burtini Stringocephalus burtini Defrance 1825
Anthozoa
Stauriida - Ptenophyllidae	"Neostringophyllum heterophylloides" = Acanthophyllum (Neostringophyllum), Grypophyllum aff. carinatum "Neostringophyllum heterophylloides" = Acanthophyllum (Neostringophyllum) horn coral Grypophyllum aff. carinatum horn coral
Stauriida - Stringophyllidae	Sociophyllum halangense Sociophyllum halangense horn coral
Stauriida - Stauriidae	Dendrostella trigemme Dendrostella trigemme horn coral
Stauriida - Phillipsastreidae	Phillipsastrea sp., Macgeea aff. pulchra, Macgeea cf. multizonata Phillipsastrea sp. d'Orbigny 1849 horn coral Macgeea aff. pulchra horn coral Macgeea cf. multizonata horn coral
Stauriida - Disphyllidae	Zelolasma mirabilis Zelolasma mirabilis horn coral
Stauriida - Kyphophyllidae	Tabulophyllum sp. Tabulophyllum sp. Fenton and Fenton 1924 horn coral
Cystiphyllida - Cystiphyllidae	Pseudomicroplasma cf. uralica, Pseudomicroplasma cf. fongi Pseudomicroplasma cf. uralica horn coral Pseudomicroplasma cf. fongi horn coral
Rugosa - Charactophyllidae	Temnophyllum aff. waltheri Temnophyllum aff. waltheri Frost and Langenheim 1966 horn coral
Favositida - Pachyporidae	Thamnopora aliena, Thamnopora trachyporoides, Thamnopora polytrematiformis, Thamnopora angusta, Thamnopora polygonalis, Thamnopora polyforata, Thamnopora nicholsoni, Thamnopora irregularis Thamnopora aliena tabulate coral Thamnopora trachyporoides tabulate coral Thamnopora polytrematiformis tabulate coral Thamnopora angusta tabulate coral Thamnopora polygonalis tabulate coral Thamnopora polyforata tabulate coral Thamnopora nicholsoni tabulate coral Thamnopora irregularis tabulate coral
Favositida - Coenitidae	Coenites verus Coenites verus tabulate coral
Favositida - Alveolitidae	Alveolitella polenowi, Alveolites admirabilis, Crassialveolites crassiformis, Crassialveolites crassus, Scoliopora denticulata, Caliapora battersbyi, Caliapora reducta, Caliapora robusta Alveolitella polenowi tabulate coral Alveolites admirabilis tabulate coral Crassialveolites crassiformis tabulate coral Crassialveolites crassus tabulate coral Scoliopora denticulata Milne-Edwards and Haime 1851 tabulate coral Caliapora battersbyi tabulate coral Caliapora reducta tabulate coral Caliapora robusta Pradacova 1938 tabulate coral
Stromatoporoidea
Stromatoporida - Stromatoporidae	Stromatopora concentrica Stromatopora concentrica stromatoporoid sponge
-	Clavidictyon aff. praecipuum Clavidictyon aff. praecipuum Zukalova 1971 stromatoporoid sponge
Amphiporida - Amphiporidae	Amphipora aff. pervesiculata, Amphipora yunnanense, Amphipora aff. blokhini, Amphipora angusta, Amphipora rudis, Amphipora pinguis, Amphipora ramosa Amphipora aff. pervesiculata stromatoporoid sponge Amphipora yunnanense stromatoporoid sponge Amphipora aff. blokhini stromatoporoid sponge Amphipora angusta stromatoporoid sponge Amphipora rudis stromatoporoid sponge Amphipora pinguis stromatoporoid sponge Amphipora ramosa Phillips 1841 stromatoporoid sponge
Stromatoporellida - Trupetostromatidae	Hermatostroma perseptatum Hermatostroma perseptatum stromatoporoid sponge
Actinostromatida - Actinostromatidae	Actinostroma clathratum Actinostroma clathratum stromatoporoid sponge