Miocene seep communities from North Island, New Zealand

A diverse fossil fauna is present in 13 Early to Middle Miocene (25–10 million years) hydrocarbon seep deposits from the Hawke’s Bay region of North Island, New Zealand. The taxa include corals, probable vestimentiferan tube worms, serpulids, decapod crustaceans, terebratulid brachiopods, echinoids, gastropods (e.g. ‘Serradonta’ kimberleyae, Provanna marshalli, Homalopoma sp.), bivalves (e.g. bathymodiolins Bathymodiolus (s.l.) heretaunga and Gigantidas coseli, vesicomyids Notocalyptogena neozelandica and Pliocardia sp., Thyasira sp., lucinids Lucinoma taylori, and Meganodontia sp.), and catshark egg cases. The diversity and ecological structure of the communities are similar to those at modern New Zealand hydrocarbon seeps, but there are few shared species, with a preliminary endemicity estimate of ca. 40% for the fossil fauna. Among globally contemporaneous seep faunas, the most taxonomically similar to New Zealand are found in the Caribbean, northern Italy, and Japan.

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First Name: 
Crispin
Last Name: 
Little
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+441333436621
Affiliation: 
University of Leeds
First Name: 
Kathleen
Last Name: 
Campbell
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University of Auckland
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Krsitian
Last Name: 
Saether
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University of Auckland
First Name: 
Kazutaka
Last Name: 
Amano
Affiliation: 
Joetsu University of Education
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Biogeography
Trophic relations (including symbiosis)
Evolutionary history (fossil and molecular data)
Abstract ID: 
CBE5-110