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| Main Authors: | , , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
Science advances
2026
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/41499514/ |
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| author | Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide |
| author_facet | Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide |
| collection | PubMed - marine biology |
| contents | Independent origins of spicules reconcile paleontological and molecular evidence of sponge evolutionary history. Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide Animals Porifera Fossils Phylogeny Biological Evolution Paleontology Sponges (Porifera) are ecosystem engineers that play a critical role in global biogeochemical processes. Their evolution is key to understanding Neoproterozoic paleoecology but remains mired in controversy. Molecular timescales suggest a Tonian or Cryogenian origin, while their oldest unequivocal fossils consist of disarticulated siliceous spicules from the Late Ediacaran. We derived a new, dated sponge phylogeny and tested whether ancestral sponges had mineralized skeletons. We resolve the sponge phylogeny in good agreement with current knowledge and date their origin to the early Ediacaran. Our results suggest that early sponges were not biomineralized and that both biosilicification and biocalcification evolved independently multiple times across Porifera. We reconcile fossil evidence and molecular estimates of sponge evolution by showing that the Neoproterozoic history of Porifera is limited to the Ediacaran and providing evidence suggesting that sponges are largely absent from the Ediacaran record because they were yet to evolve biomineralized skeletons. |
| format | Artículo científico |
| id | pubmed_41499514 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | Science advances |
| record_format | pubmed |
| spellingShingle | Independent origins of spicules reconcile paleontological and molecular evidence of sponge evolutionary history. Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide Animals Porifera Fossils Phylogeny Biological Evolution Paleontology Independent origins of spicules reconcile paleontological and molecular evidence of sponge evolutionary history. Rossi, Maria Eleonora Keating, Joseph N Kenny, Nathan J Giacomelli, Mattia Álvarez-Carretero, Sandra Schuster, Astrid Cárdenas, Paco Taboada, Sergi Koutsouveli, Vasiliki Donoghue, Philip C J Riesgo, Ana Pisani, Davide Animals Porifera Fossils Phylogeny Biological Evolution Paleontology Sponges (Porifera) are ecosystem engineers that play a critical role in global biogeochemical processes. Their evolution is key to understanding Neoproterozoic paleoecology but remains mired in controversy. Molecular timescales suggest a Tonian or Cryogenian origin, while their oldest unequivocal fossils consist of disarticulated siliceous spicules from the Late Ediacaran. We derived a new, dated sponge phylogeny and tested whether ancestral sponges had mineralized skeletons. We resolve the sponge phylogeny in good agreement with current knowledge and date their origin to the early Ediacaran. Our results suggest that early sponges were not biomineralized and that both biosilicification and biocalcification evolved independently multiple times across Porifera. We reconcile fossil evidence and molecular estimates of sponge evolution by showing that the Neoproterozoic history of Porifera is limited to the Ediacaran and providing evidence suggesting that sponges are largely absent from the Ediacaran record because they were yet to evolve biomineralized skeletons. |
| title | Independent origins of spicules reconcile paleontological and molecular evidence of sponge evolutionary history. |
| topic | Animals Porifera Fossils Phylogeny Biological Evolution Paleontology |
| url | https://pubmed.ncbi.nlm.nih.gov/41499514/ |