Carlsbad Ankylosaur (SDNHM Loc. 3392): Late/Upper Campanian, California
collected by B. Riney 1985
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Ankylosauridae
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Nodosauridae indet.
Marsh 1890
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1 individual | |||||||||
| SDSNH 33909 (6 measurements) | ||||||||||
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= Aletopelta coombsi n. gen., n. sp.
Ford and Kirkland 2001
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Ford and Kirkland 2001 | |||||||||
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Chondrichthyes
- Lamniformes
- Mitsukurinidae
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Scapanorhynchus sp.
Woodward 1889
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Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax sp.
Whitley 1939
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus sp.
Linnaeus 1758
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Cephalopoda
- Ammonoidea
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Ammonoidea indet.
Zittel 1884
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Gastropoda
- Heterostropha
- Ringiculidae
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? Ringicula (? Ringiculopsis) hesperiae
Squires and Saul 2001
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Squires and Saul 2001 | |||||||||
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Gastropoda
- Cypraeidae
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Bernaya (Bernaya) crawfordcatei n. sp.
Groves 1990
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Groves 1990 | |||||||||
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Bernaya (Protocypraea) gualalaensis
(Anderson 1958)
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Groves 2004 | |||||||||
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Bernaya (Protocypraea) rineyi n. sp.
Groves 1990
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Groves 1990 | |||||||||
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Gastropoda
- Neogastropoda
- Turbinellidae
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Fimbrivasum elegans
Squires and Saul 2001
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Squires and Saul 2001 | |||||||||
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Gastropoda
- Neogastropoda
- Tudiclidae
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Rapopsis joseana n. gen., n. sp.
Saul 1988
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Saul 1988 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California |
| Coordinates: | 33.1° North, 117.3° West (view map) | ||
| Paleocoordinates: | 38.8° North, 87.5° West | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 71 meters | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Rosario | Formation: | Point Loma | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: base of CC 22 = 75.5 Ma | |||||
Lithology and environment
| Primary lithology: | gray,blue mudstone |
| Secondary lithology: | lithified sandstone |
| Includes fossils? | Y |
| Lithology description: "blue-gray massive mudstones with occasional interbeds and lenses of fine- to medium-grained, locally cemented sandstones." | |
| Environment: | offshore |
| Geology comments: "deposited in a shallow marine environment a few km offshore in an area that was protected by an island or peninsula of metavolcanic rock." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | all |
| Fragmentation: | occasional |
| Bioerosion: | frequent |
| Encrustation: | frequent |
| Feeding/predation traces: | tooth marks,arthropod boring |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | some genera,some macrofossils | ||
| Collection methods: | salvage,selective quarrying,surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | B. Riney | Collection dates: | 1985 |
| Collection method comments: collected by Brad Riney (listed as 1988 in Reynolds 1994) | |||
Metadata
| Also known as: | Letterbox Canyon | ||
| Database number: | 60806 | ||
| Authorizer: | M. Carrano, P. Wagner, J. Marcot | Enterer: | M. Carrano, J. Marcot, P. Wagner |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2006-05-23 12:44:40 | Last modified: | 2021-05-03 11:28:24 |
| Access level: | the public | Released: | 2006-05-23 12:44:40 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 17499. | ETE | W. P. Coombs, Jr. and T. A. Deméré. 1996. A Late Cretaceous nodosaurid ankylosaur (Dinosauria: Ornithischia) from marine sediments of coastal California. Journal of Paleontology 70(2):311-326 [M. Carrano/M. Carrano/M. Uhen] |
Secondary references:
| 71135 | V. M. Arbour and P. J. Currie. 2011. Tail and pelvis pathologies of ankylosaurian dinosaurs. Historical Biology 23(4):375-390 [M. Carrano/M. Carrano] | |
| 64040 | V. M. Arbour and P. J. Currie. 2016. Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs. Journal of Systematic Palaeontology 14(5):385-444 [G. Lloyd/G. Lloyd/M. Carrano] | |
| 17501 | ETE | T. L. Ford and J. I. Kirkland. 2001. Carlsbad ankylosaur (Ornithischia, Ankylosauria): an ankylosaurid and not a nodosaurid. In K. Carpenter (ed.), The Armored Dinosaurs. Indiana University Press, Bloomington 239-260 [M. Carrano/M. Carrano] |
| 57733 | L. T. Groves. 1990. New Species of Late Cretaceous Cypraeacea (Mollusca: Gastropoda) from California and Mississippi, and a Review of Cretaceous Cypraeaceans of North America. The Veliger 33(3):272-285 [P. Wagner/P. Wagner/P. Wagner] | |
| 58004 | L. T. Groves. 2004. New species of Late Cretaceous Cypraeidae (Gastropoda) from California and British Columbia and new records from the Pacific slope. The Nautilus 118(1):43-51 [P. Wagner/P. Wagner] | |
| 43829 | R. E. Reynolds. 1994. Fossils in southern California. Rocks and Minerals 69:386-391 [M. Carrano/M. Carrano] | |
| 74398 | L. R. Saul. 1988. Latest Cretaceous and Early Tertiary Tudiclidae and Melongenidae (Gastropoda) From the Pacific Slope of North-America. Journal of Paleontology 62(6):880-889 [J. Marcot/J. Marcot] | |
| 58293 | R. L. Squires and L. R. Saul. 2001. New Late Cretaceous gastropods from the Pacifc slope of North America. Journal of Paleontology 75(1):46-65 [P. Wagner/P. Wagner] |