Mangahouanga Stream (V19/f67) (Cretaceous to of New Zealand)

Where: Hawke's Bay, New Zealand (38.9° S, 176.8° E: paleocoordinates 58.9° S, 168.8° W)

• coordinate based on nearby landmark

When: Tahora Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, fine-grained, concretionary, brown sandstone

• The occurrence of terrestrial fossils in marine sediments suggests that the depositional environment was near-shore, and in moderately shallow water, possibly close to a river, draining a forested hinterland, which brought down substantial quantities of plant material and other terrestrial remains in addition to its normal sediment load.

Size class: macrofossils

• An incomplete juvenile specimen, comprising anterior part of aright mandible, with 4 teeth in place, 1 dorsal and 1 caudal vertebra (plus fragment), and 1 small rib.

Preservation: concretion

Collected by J. Wiffen in 1987

Collection methods: quarrying, surface (float), mechanical,

• NZGS, New Zealand Geological Survey, Wellington, New Zealand

Primary reference: J. Wiffen. 1990. New mosasaurs (Reptilia; Family Mosasauridae) from the Upper Cretaceous of North Island, New Zealand. New Zealand Journal of Geology and Geophysics 33(1):67-85 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232252: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 03.11.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Mosasauridae
aff. Moanasaurus mangahouangae
aff. Moanasaurus mangahouangae Wiffen 1980 mosasaur
NZGS CD532, mandible and teeth
 Plesiosauria - Elasmosauridae
Elasmosauridae indet.
Elasmosauridae indet. Cope 1869 elasmosaur
NZGS CD437 (left coracoid)