ClipArt ETC
"Structure of Antipatharians. 1. A group of polyps--M. mouth; t., tentacles. 2. Axis without polyps and coenenchyma, covered with spines (Sp.). 3. Vertical section of polyp--A., axis; t., tentacle; g., gullet; m., mesentery; o., ovary; m.f., mesenteric filaments. 4. Cross section of a polyp--EC., ectoderm; M., mesogloea; EN., endoderm; G., gullet; MS., mesenteries." -Thomson, 1916

Antipatharians

"Structure of Antipatharians. 1. A group of polyps--M. mouth; t., tentacles. 2. Axis without polyps…

"Coral is the name applied to the stony structures secreted by many of the actinozoa, and applied to the animals themselves. The coral of commerce is the production of various polyps, and is of different colors and internal structure. A– a branch of Dendrophyllia."—(Charles Leonard-Stuart, 1911)

Coral

"Coral is the name applied to the stony structures secreted by many of the actinozoa, and applied to…

"Coral is the name applied to the stony structures secreted by many of the actinozoa, and applied to the animals themselves. The coral of commerce is the production of various polyps, and is of different colors and internal structure. B&ndash; part of a stock of red coral, with <em>(a)</em> fully extended polyp and <em>(b, b)</em> two polyps, partly extended. "&mdash;(Charles Leonard-Stuart, 1911)

Coral

"Coral is the name applied to the stony structures secreted by many of the actinozoa, and applied to…

An illustration of coral. Corals are marine organisms from the class Anthozoa and exist as small sea anemone&ndash;like polyps, typically in colonies of many identical individuals. The group includes the important reef builders that are found in tropical oceans, which secrete calcium carbonate to form a hard skeleton.

Coral

An illustration of coral. Corals are marine organisms from the class Anthozoa and exist as small sea…

A free-swimming jellyfish of the Class Scyphozoa.

Jellyfish

A free-swimming jellyfish of the Class Scyphozoa.

Coral that has branched out and looks like a brain.

Astraea Pallida

Coral that has branched out and looks like a brain.

"Fresh-water polype (hydra), two specimens, the one expanded the other contracted, showing multiplication by buddin. bd1 bd2 bd3, buds in various stages of growth." -Parker, 1900

Freshwater Polyp

"Fresh-water polype (hydra), two specimens, the one expanded the other contracted, showing multiplication…