Where: Angola (12.2° S, 13.7° E: paleocoordinates 28.8° S, 1.7° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Hysteroceras orbignyi ammonoid zone, Late/Upper Albian (105.3 - 99.6 Ma)
• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. AGE: Late Albian, on the basis of ammonoid biostratigraphy; Hysteroceras orbignyi-Hysteroceras varicosum zones. STRATIGRAPHIC POSITION: From unknown position within local section.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray, yellow limestone
• ENVIRONMENT: Not stated in text, but presumably shallow marine carbonate.
• SPECIFIC LITHOLOGY: Light yellowish to grayish limestone of variable texture, compact patches of almost lithographic character being surrounded by argillaceous and arenaceous areas. LITHIFICATION: Lithified, on the basis of figured specimens and facies description.
Size class: macrofossils
Preservation: cast, mold/impression
Collected by Herbert Lang in 1925; reposited in the AMNH
Collection methods: surface (in situ),
• COLLECTOR: H. Lang, on the AMNH Vernay Angola expedition of 1925. REPOSITORY: AMNH.
Primary reference: O. Haas. 1941. A case of inversion of suture lines in Hysteroceras varicosum (Sow.). American Journal of Science 239:661-664 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 83840: authorized by Austin Hendy, entered by Austin Hendy on 04.09.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
• COVERAGE: Exhaustive for ammonoidea. Other taxa may be present but are not listed in text. NOMENCLATURE: Authoritative publication, but somewhat antiquated nomenclature, though with species-resolution identifications.
Show authors, comments, and common names
Cephalopoda |
Phylloceratida - Phylloceratidae |
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Ammonitida - Desmoceratidae |
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Ammonitida - Beudanticeratidae |
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Ammonitida - Tetragonitidae |
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Ammonitida - Brancoceratidae |
Neokentroceras sp., Neokentroceras costatum n. sp. , Neokentroceras magnum n. sp. , " Neokentroceras curvicornu" = Neokentroceras curvicornu, " Neokentroceras speciosum" = Neokentroceras curvicornu, " Neokentroceras cf. subtuberculatum" = Neokentroceras subtuberculatum, " Neokentroceras choffati" = Neokentroceras subtuberculatum, Neokentroceras pseudovaricosum, Neokentroceras singulare n. sp. , Hysteroceras semileve n. sp. , Hysteroceras propinquum n. sp. , Hysteroceras choffati, Hysteroceras varicosum, Hysteroceras falcicostatum, Hysteroceras orbignyi, Hysteroceras intermedium, Hysteroceras cf. subbinum, Hysteroceras binum, Prohysteroceras sp., Prohysteroceras gracile n. sp. , Prohysteroceras wordiei, Prohysteroceras cf. dubium, Prohysteroceras decipiens, " Prohysteroceras hanhaense n. sp." = Goodhallites hanhaense, Elobiceras "sp. 1", Elobiceras "sp. 2", " Elobiceras elobiense" = Elobiceras elobiensis, Elobiceras raymondi n. sp. , Elobiceras lobitoense, Elobiceras cf. flexicostatum, Elobiceras spathianum n. sp. , Elobiceras hexagonum n. sp. , Elobiceras oxytropidoceratoides n. sp. , Elobiceras irregulare, Elobiceras browni n. sp. , Elobiceras intermedium, Elobiceras subelobiense, Elobiceras primordiale n. sp. , Elobiceras cf. angustum, " Pervinquieria simplex" = Mortoniceras (Angolaites) simplex, " Pervinquieria inflata" = Mortoniceras (Mortoniceras) inflatum, " Pervinquieria evoluta" = Mortoniceras (Mortoniceras) evolutum, " Pervinquieria arietiformis" = Mortoniceras (Mortoniceras) arietiforme, " Pervinquieria proteus n. sp." = Mortoniceras (Boeseites) proteus, " Pervinquieria perarmata n. sp." = Mortoniceras (Boeseites) perarmata, " Pervinquieria howelli n. sp." = Mortoniceras (Boeseites) howelli, " Pervinquieria barbouri n. sp." = Mortoniceras (Boeseites) barbouri, " Pervinquieria romeri n. sp." = Mortoniceras (Boeseites) romeri, Pervinquieria margarita n. sp. , Pervinquieria vicinia n. sp. , Pervinquieria "sp. 1", Pervinquieria "sp. 2", Pervinquieria ferecostata n. sp. , Pervinquieria bassleri, Pervinquieria montraynaudensis n. sp. , Pervinquieria vokesi n. sp. , Pervinquieria lampasensis, Pervinquieria cf. stoliczkai, Neoharpoceras angolanum n. sp. , Neoharpoceras conditum
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Ammonitida - Mojsisovicsiidae |
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Ammonitida - Oppeliidae |
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Ammonitida - Nostoceratidae |
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Ammonitida - Anisoceratidae |
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Ammonitida - Hamitidae |
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Ammonitida - Turrilitidae |
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Ammonitida - Ptychoceratidae |
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Ammonitida - Labeceratidae |
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