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Jun 12, 2024 · The research offers new insights into the early evolution of animals. Researchers led by Shuhai Xiao at Virginia Tech have discovered a 550 million-year-old sea sponge fossil, shedding light on a 160 million-year gap in the fossil record.
Jun 26, 2024 · The Ediacaran fossil Helicolocellus cantori is interpreted as having been a glass sponge without biomineralized spicules (little spikes made of glass) to support its body.
Jun 27, 2024 · Most skeletal constructs of silica-producing sponges are made of pure, amorphous silica with inclusions of Na and K ; however, in the case of some deep-sea glass sponges, calcitic nanocrystals have also been found within highly specialized spicular formations (for details, see ).
5 days ago · Sponges were traditionally distributed in three classes: calcareous sponges (Calcarea), glass sponges (Hexactinellida) and demosponges (Demospongiae). However, studies have now shown that the Homoscleromorpha, a group thought to belong to the Demospongiae, has a genetic relationship well separated from other sponge classes.
Jul 1, 2024 · A glass sponge belonging to the Hexactinellida class is Euplectella, also known as the Venus flower basket. The sponge is reached by a young shrimp pair, and they develop and are unable to exit the sponge.
Jul 1, 2024 · From their ancient lineage to their surprising ecological contributions, sponges offer a captivating glimpse into the wonders of the natural world. Let's embark on a journey to explore 10 remarkable facts about sponges, unveiling the mysteries and marvels of these enigmatic creatures.
Jun 20, 2024 · Quiz yourself with questions and answers for lab exam 2: Phylum Porifera, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
