![Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/52748500-59db-46c7-9c06-8c9e264caa1a/spp21248-fig-0001-m.jpg)
Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library
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![Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/bac5c40e-907f-4eca-aba8-c1085b0feca3/spp21248-fig-0007-m.jpg)
Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library
![Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library Paramonoclimacis sidjachenkoi (Obut & Sobolevskaya) and the evolution of the streptograptid thecal aperture in the Silurian (Graptolithina, Monograptidae) - Maletz - 2019 - Papers in Palaeontology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/8058ef99-4d40-45cf-a2d4-07d5ed5cb79a/spp21248-fig-0008-m.jpg)