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Description of camenellan tommotiids from the Early Cambrian of the Transantarctic Mountains, Antarctica
Responsible organisation
2015 (English)Other (Other academic)
Abstract [en]

A collection of camenellan tommotiid sclerites from the Transantarctic Mountains have been re-examined. New data shows that Dailyatia sp. A is found alongside Dailyatia odyssei Evans and Rowell 1990 in the Early Cambrian Shackleton Limestone, as in the Arrowie Basin of Australia. A further examination of Shackleton Limestone sclerites, similar to others previously described as Kennardia sp. A and Kennardiasp. B, suggests that the Shackleton Limestone also contains a further species of camenellan. A further examination of the detail of ornamentation and gross morphology ofthese sclerites suggests that they are more likely to be a further species of Dailyatia, rather than Kennardia. A new species of Dailyatia is also reported from the Early Cambrian "Schneider Hills Limestone" formation of the Argentina Range. No overlap is found in sclerite morphologies between the Botomian-aged Schneider Hills and the temporally equivalent Shackleton Limestone, indicating a spatial influence on the distribution of tommotiids in the Cambrian of Antarctica.

Place, publisher, year, pages
2015.
Keyword [en]
Cambrian; Tommotiids; Dailyatia; Small Shelly Fossils; Early Cambrian; Paleobiogeography; Antarctica
Research subject
SWEDARP 2011/12, Victoria Land
Identifiers
URN: urn:nbn:se:polar:diva-2249OAI: oai:DiVA.org:polar-2249DiVA: diva2:856459
Projects
The Cambrian lophotrochozoans of the Transantarctic Mountains, Antarctica
Note

In press.

Available from: 2015-09-24 Created: 2015-09-24 Last updated: 2015-09-24

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http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-252130

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Output format
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