Tagasi otsingusse
Bromley et al., 1995a
Spatangoid echinoids: Deep-tier trace fossils and chemosymbiosis
Bromley, R., Jensen, M., Asgaard, U.
DOI | 10.1127/njgpa/195/1995/25 |
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Aasta | 1995 |
Ajakiri | Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen |
Köide | 195 |
Number | 1-3 |
Leheküljed | 25-35 |
Tüüp | artikkel ajakirjas |
Keel | inglise |
Id | 7560 |
Abstrakt
Some species of spatangoid echinoids possess an intestinal caecum containing sulphide-oxidizing bacterial symbionts. Echinocardium cordatum and Schizaster canaliferus burrow deeply and ingest sulphide-rich, anoxic sediment, supplementing their diet with seafloor detritus. The chemoautotrophic synthesis of nutrients would allow echinoids to burrow deeply beneath the seafloor. Deep-tier Scolicia-group trace fossils therefore may be considered Agrichnia.
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