In situ earliest Cambrian tube worms and the oldest metazoan-constructed biostrome (Placentian Series, southeastern Newfoundland)
“Ladatheca” cylindrica (Grabau, 1900) was a eurytopic metazoan with a calcareous operculum and an elongate, gently tapering conch up to 15+ cm long and with an apical angle of approximately 0.75–2.0°. This apparent polychaete was geographically widespread in the sub-trilobitic Lower Cambrian of midd...
| Published in: | Journal of Paleontology |
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| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Cambridge University Press (CUP)
1993
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| Online Access: | http://dx.doi.org/10.1017/s0022336000036817 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022336000036817 |