Middle Cenomanian coral fauna from the Roßsteinalmen (Northern Calcareous Alps, Bavaria, Southern Germany) – a revised and extended version Author Löser, Hannes Estación Regional del Noroeste, Instituto de Geología, Universidad Nacional Autónoma de México, Blvd. Luis Donaldo Colosio S / N y Madrid, 83250 Hermosillo, Sonora, Mexico Author Werner, Winfried SNSB – Bayerische Staatssammlung für Paläontologie und Geologie and GeobioCenterLMU, Richard-Wagner-Strasse 10, D- 80333 München, Germany Author Darga, Robert Naturkunde- und Mammut-Museum Siegsdorf, Auenstraße 2, D- 83313 Siegsdorf, Germany text Zitteliana 2023 2023-12-20 97 89 147 journal article 10.3897/zitteliana.97.113796 D4564419-3213-4D38-96BB-E7CFE157E0F8 Heliopora de Blainville, 1830 Type species. Millepora coerulea Pallas, 1766 Description. The genus forms small spheric, fingerlike or incrusting colonies. The corallites are circular and very regular. The septa are short. The coenosteum appears cellular with very fine pores and tiny spines, or is rarely vermiculate. Remarks. As explained in Hernández Morales and Löser (2018) , the genus Polytremacis is a junior synonym of the extant genus Heliopora . The corallite dimensions of the species of the study area are compared in Table 1 .