Bulletin of geosciences | |
Conulariids and Sphenothallus (Cnidaria, Medusozoa) from the Tonggao Formation (Lower Ordovician, China) | |
Lin JP1  Botting JP1  Muir LA1  Zhang YD1  Van Iten H1  | |
关键词: Conulariella; Sphenothallus; conulariids; Ordovician; South China; | |
DOI : | |
来源: Czech Geological Survey | |
【 摘 要 】
Conulariellasp.andpossiblyoneotherconulariidspeciesoccurincloseassociationwithSphenothallussp.inthelowerpartoftheearlyFloianTonggaoFormationnearthetownofSandu,GuizhouProvince,China.ThisistheonlyknownoccurrenceofConulariellainEarlyOrdovicianrocksoutsideofBohemia(Perunicanterrane),andalsothefirstreportofSphenothallusfromtheOrdovicianofChina.TheaperturalmarginofConulariellaappearstohavebeenmostlystraight,andaperturallappetsprobablywerenotpresentinthisgenus.SomeTonggaoconulariidsmayhaveattachedtoorbiculoidbrachiopodsinlife.BasedonthemostrecentpalaeogeographicalreconstructionsofGondwanaandassociatedterranes,ConulariellacouldhavehadadispersalpathalongtheGondwananmargin.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090783176ZK.pdf | 2222KB | download |