![Spiny Skin” ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. - ppt download Spiny Skin” ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. - ppt download](https://images.slideplayer.com/33/7582498/slides/slide_7.jpg)
Spiny Skin” ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. - ppt download
![Echinoderms of Connecticut . FIG. 25. Outlines of calcareous plates of Thyone briareus. A, terminal plate of pedicel; B, supporting plates of pedicels; C, plates from tentacles; D, plates (tables) from Echinoderms of Connecticut . FIG. 25. Outlines of calcareous plates of Thyone briareus. A, terminal plate of pedicel; B, supporting plates of pedicels; C, plates from tentacles; D, plates (tables) from](https://c8.alamy.com/comp/MA9YNN/echinoderms-of-connecticut-fig-25-outlines-of-calcareous-plates-of-thyone-briareus-a-terminal-plate-of-pedicel-b-supporting-plates-of-pedicels-c-plates-from-tentacles-d-plates-tables-from-body-walls-the-slender-pedicels-or-tube-feet-are-very-numerous-and-are-scattered-irregularly-all-over-the-body-occasionally-they-appear-to-be-arranged-in-five-very-broad-longitudinal-bands-although-such-bands-are-not-distinctly-separated-from-each-other-the-pedicels-of-the-ventral-surface-are-broader-than-those-of-the-dorsal-side-of-the-body-the-latter-commonly-tapering-to-a-point-in-MA9YNN.jpg)
Echinoderms of Connecticut . FIG. 25. Outlines of calcareous plates of Thyone briareus. A, terminal plate of pedicel; B, supporting plates of pedicels; C, plates from tentacles; D, plates (tables) from
![Stereoderma congoana (Heding, 1935). A. Specimen entire; B. Calcareous... | Download Scientific Diagram Stereoderma congoana (Heding, 1935). A. Specimen entire; B. Calcareous... | Download Scientific Diagram](https://www.researchgate.net/publication/270288018/figure/fig4/AS:392124790001678@1470501243955/Stereoderma-congoana-Heding-1935-A-Specimen-entire-B-Calcareous-ring-C-Plates-of.png)
Stereoderma congoana (Heding, 1935). A. Specimen entire; B. Calcareous... | Download Scientific Diagram
![Ediacaran Corumbella has a cataphract calcareous skeleton with controlled biomineralization - ScienceDirect Ediacaran Corumbella has a cataphract calcareous skeleton with controlled biomineralization - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2589004222019484-fx1.jpg)
Ediacaran Corumbella has a cataphract calcareous skeleton with controlled biomineralization - ScienceDirect
![Characteristics of Lepas spp.: (A) body divisions and calcareous plates... | Download Scientific Diagram Characteristics of Lepas spp.: (A) body divisions and calcareous plates... | Download Scientific Diagram](https://www.researchgate.net/publication/237381283/figure/fig1/AS:299391597465602@1448391927339/Characteristics-of-Lepas-spp-A-body-divisions-and-calcareous-plates-referred-to-in.png)
Characteristics of Lepas spp.: (A) body divisions and calcareous plates... | Download Scientific Diagram
![Spiny Skin” ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. - ppt download Spiny Skin” ~7,000 species Sea stars, sand dollars, and sea urchins Clip A thin skin covers a hard calcareous platelike exoskeleton. - ppt download](https://images.slideplayer.com/33/7582498/slides/slide_8.jpg)