We report the oldest fossil occurrence of freshwater potamolepid sponges (Demospongiae, Spongillina, Potamolepidae) to date, originating from middle Eocene lake sediments accumulated in the Giraffe ...
Figure 1: Stratigraphic column of Huqf Supergroup with representative lithology, biostratigraphy and geochronological constraints. Continuous-flow hydropyrolysis experiments were conducted on ...
pt. 1. Tetractinomorpha and Lithistida.--pt. 2. Axinellida and Halichondrida siris_sil_2160 ...
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