Icriodus alternatus helmsi Sandberg and Dreesen, 1984
publication ID |
https://doi.org/ 10.5281/zenodo.13174914 |
DOI |
https://doi.org/10.5281/zenodo.13174946 |
persistent identifier |
https://treatment.plazi.org/id/03D287FD-782F-FFB4-FFB8-DAD1FED7F8CF |
treatment provided by |
Felipe |
scientific name |
Icriodus alternatus helmsi Sandberg and Dreesen, 1984 |
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Icriodus alternatus helmsi Sandberg and Dreesen, 1984
Fig. 5G View Fig .
Icriodus alternatus helmsi ; Sandberg and Dreesen 1984: 159, pl. 2: 1–4, 6–7.
Remarks.—The P 1 (Pa, I) element of Icriodus alternatus helmsi is characterized by alignment of the cusp with the innerlateraldenticles.Specimensinwhichthemedialdenticles are absent commonly occur in the Lower Pa. triangularis Zone through Middle Pa. crepida Zone ( Sandberg and Dreesen 1984).
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Icriodus alternatus helmsi Sandberg and Dreesen, 1984
Day, Jed & Over, D. Jeffrey 2002 |
Icriodus alternatus helmsi
Sandberg, C. A. & Dreesen, R. 1984: 159 |