Evolutionary history of the Gothograptus lineage of the Retiolitidae (Graptolithina)
Evolutionary trends of the Gothograptus lineage (Graptolithina, Retiolitidae) from the lower Homerian to lower Ludfordian, Silurian are described. Gothograptids evolved towards simplification of the tubarium and decrease in the number of thecae. The lineage is characterized by finite growth, ending...
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Format: | Article |
Language: | English |
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Estonian Academy Publishers
2015-02-01
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Series: | Estonian Journal of Earth Sciences |
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Online Access: | http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2015/issue_1/earth-2015-1-56-61.pdf |