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Tertiary Echinoids from Papua New Guinea

Lindley, Ian

Description

Tertiary echinoid faunas from four different environments are described from three localities in Papua New Guinea (PNG). The fauna from the Middle Miocene Langimar Beds at Aseki village, Morobe Province, is dominated by near-surface, sand dwelling clypeasteroid echinoids Echinodiscus bisperforatus Leske, 1778 and Laganum depressum Lesson in L. Agassiz, 1841. The fauna from the Upper Oligocene-Lower Miocene Padowa Beds in the Sagarai valley, Milne Bay Province, is dominated by sand and sandy-mud...[Show more]

dc.contributor.authorLindley, Ian
dc.date.accessioned2015-12-13T23:16:33Z
dc.date.available2015-12-13T23:16:33Z
dc.identifier.issn0370-047X
dc.identifier.urihttp://hdl.handle.net/1885/89468
dc.description.abstractTertiary echinoid faunas from four different environments are described from three localities in Papua New Guinea (PNG). The fauna from the Middle Miocene Langimar Beds at Aseki village, Morobe Province, is dominated by near-surface, sand dwelling clypeasteroid echinoids Echinodiscus bisperforatus Leske, 1778 and Laganum depressum Lesson in L. Agassiz, 1841. The fauna from the Upper Oligocene-Lower Miocene Padowa Beds in the Sagarai valley, Milne Bay Province, is dominated by sand and sandy-mud burrowing spatangoid echinoids Brisaster latifrons (A. Agassiz, 1898) and Brissopsis ?luzonica (Gray, 1851). The rich echinoid fauna from the Lower Pliocene Kairuku Formation on Yule Island, Central Province, includes sea-grass meadow dwelling, and highly turbulent, shallow-water dwelling forms. The fauna includes the clypeasteroid echinoids L. depressum and fibulariid (?)gen. et sp. nov., a temnopleurid echinoid Temnotrema macleayana (Tenison-Woods), a phymosomatoid echinoid stomechinid (?)gen. et sp. nov., and spatangoid echinoids B. latifrons and Ditremaster sp. indet. Five of the eight described echinoid genera from the Tertiary of PNG still live in waters of the Indo-Pacific today.
dc.publisherLinnean Society of New South Wales
dc.sourceProceedings of the Linnean Society of New South Wales
dc.subjectKeywords: Brisaster; Brissopsis; Ditremaster; Echinodiscus; Echinoidea; Fibulariid; Laganum; Papua New Guinea; Stomechinid; Temnotrema; Tertiary
dc.titleTertiary Echinoids from Papua New Guinea
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume123
dc.date.issued2001
local.identifier.absfor040308 - Palaeontology (incl. Palynology)
local.identifier.ariespublicationMigratedxPub19504
local.type.statusPublished Version
local.contributor.affiliationLindley, Ian, College of Physical and Mathematical Sciences, ANU
local.bibliographicCitation.startpage119
local.bibliographicCitation.lastpage139
dc.date.updated2015-12-12T08:48:40Z
local.identifier.scopusID2-s2.0-0141759940
CollectionsANU Research Publications

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