Britannica Echinoderma 2
Description:
Description: English: An early stage in the development of Antedon, showing the foot-plate or “dorso-central” fp at the end of the stem col. Some of the thecal plates, infrabasals I B, basals B, and orals O are forming around the body-cavities r.pc and l.pc; p is the water-pore. (After Seeliger.). Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg.
Included On The Following Pages:
- Life (creatures)
- Cellular (cellular organisms)
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (Animal)
- Bilateria
- Deuterostomia (deuterostomes)
- Echinodermata (echinoderms)
- Crinozoa (crinoids and relatives)
- Crinoidea (sea lilies and feather stars)
- Articulata
- Comatulida (feather stars)
- Antedonoidea
- Antedonidae
- Antedoninae
- Antedon
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- cc-publicdomain
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- Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg
- source
- Encyclopædia Britannica, 1911
- original
- original media file
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- Wikimedia Commons
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