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FIGURE 1. Tubaria of A – C. Gothograptus nassa Holm, 1890 and D. ...

Title
FIGURE 1. Tubaria of A – C. Gothograptus nassa Holm, 1890 and D. Semigothograptus meganassa (Rickards & Palmer, 2002) from dubius / nassa Biozone, Bartoszyce IG- 1 drill core, Poland. A. Gothograptus nassa, obverse view of mature tubarium with destroyed distal end, long morphotype, ZPAL G. 54 / 5, 1655.8 m, B. latero-ventral view of mature tubarium with appendix, short morphotype, ZPAL G. 54 / 8, 1658.8 m, C. long appendix, ZPAL G. 54 / 10, 1656.8 m. D. Semigothograptus meganassa, obverse view, ZPAL G. 54 / 1, 1649.2 m, uppermost part of dubius / nassa Biozone.
GenusSemigothograptus
SourceA new generic name, Semigothograptus, for Gothograptus? meganassa Rickards & Palmer, 2002, from the Silurian post- lundgreni Biozone recovery phase, and comparative morphology of retiolitids from the lowermost upper Homerian (upper Wenlock)
Referenceshttp://doi.org/10.5281/zenodo.215002
PublisherZenodo

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