Triploporella remesi (Steinmann, 1903), dasycladalean green alga from the Tithonian–Lower Berriasian of Štramberk (Czech Republic) revisited

• DOI: 10.1007/s10347-012-0343-z
• Publication Date: 2012-12-04T17:03:01Z
• Authors: Filippo Barattolo; Ioan I. Bucur; Bogusław Kołodziej; Mariusz Hoffmann; Petr Skupien
• Keywords: Tithonian–Lower Berriasian; Štramberk Limestone; Czech Republic; Dasycladales; Tithonian– Lower Berriasian; Sˇtramberk Limestone; Triploporella; Sˇtramberk Limestone; Dasycladales; Tithonian– Lower Berriasian; Triploporella; 01 natural sciences; Czech Republic; 0105 earth and related environmental sciences

The dasycladalean green alga Triploporella remesi (Steinmann) is redescribed based on material collected from the Kotouc quarry near Stramberk (Moravia, Czech Republic), probably corresponding to the type locality. The alga is Tithonian–early Berriasian in age according to the age assigned to the Stramberk Limestone. The new material, in addition to the detailed description of Steinmann, indicates that the short club-shaped calcareous skeleton probably represents the fertile upper part of a far longer club-shaped thallus. The well-developed phloiophorous primary laterals are similar to those of other species of Triploporella in having a proximal cylindrical sterile part followed by a stronger distal cylindrical fertile part. Secondary phloiophorous laterals probably combined to create a cortex at their distal ends. The simple undivided spores inferred by previous authors are shown to be recrystallized cyst containers.