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Ordovician limestones in Brechin Quarry, Ontario

Helje Pärnaste

Ph.D.

E-mail: helje.parnaste(ät)ttu.ee
Homepage: www.gi.ee/~helje

Systematics and evolution of the Ordovician trilobites, their implication to the functional morphology, palaeoenvironment, and palaeogeography.

Recent publications

Bergström, J., Pärnaste, H. and Zhou, Z-Y. 2013. Trilobites and biofacies in the Early–Middle Ordovician of Baltica and a brief comparison with the Yangtze Plate. Estonian Journal of Earth Sciences 62(4), 205-230. | DOI |

Liang, K., Lee, D.-L., Elias, R.J., Pärnaste, H. and Mõtus, M.-A. 2013. Growth characteristics of Protoheliolites norvegicus (Tabulata; Upper Ordovician; Estonia). Palaeontology 56(4), 867-891. | DOI |

Pärnaste, H., Bergström, J. 2013. The asaphid trilobite fauna: Its rise and fall in Baltica. Palaeogeography, Palaeoclimatology, Palaeoecology 389, 64-77. | DOI |

Pärnaste, H., Bergström, J. and Zhou, Z-Y. 2013. High-resolution trilobite stratigraphy of the Lower–Middle Ordovician Öland Series of Baltoscandia. Geological Magazine 150(3), 509–518. | DOI |

Hints, L., Pärnaste, H., Gailite, L-I. 2012. Hirnantia sagittifera (Brachiopoda) and Mucronaspis mucronata s.l. (Trilobita) in the Upper Ordovician of the East Baltic: taxonomy and distribution. Estonian Journal of Earth Sciences 61(2), 65-81. | DOI |

Pärnaste, H. & Viira, V. 2012. On the lower boundary of the Floian Stage in Estonia. Estonian Journal of Earth Sciences 61(4), 205–209. | DOI |

Popp, A., Pärnaste, H. 2011. Biometry and life style of the Ordovician proetide trilobite Cyamella stensioei Owens, 1979. GFF 133(3-4), 111-123. | DOI |

Pärnaste, H., Popp, A. 2011. Telephina (Trilobita) record from the Viivikonna Formation of the Kukruse Regional Stage NE Estonia. Estonian Journal of Earth Sciences 60(2), 83-90. | DOI |

Hints, L., Hints, O., Kaljo, D., Kiipli, T., Männik, P., Nõlvak, J. & Pärnaste, H. 2010. Hirnantian (latest Ordovician) bio- and chemostratigraphy of the Stirnas-18 core, western Latvia. Estonian Journal of Earth Sciences 59(1), 1-24. | DOI |

Pärnaste, H., Popp, A., Owens, R. M. 2009. Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata. Estonian Journal of Earth Sciences 58(1), 10-23. | DOI |

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