Spoon Worms

Description: English: Plate VI. All the figures represent the life-size of the animals each with its proboscis in a state of moderate expansion. The figures were drawn by Mr. C. Forster Cooper and represent the natural colour of the living animals Fig. 1. Thalassema erythrogrammon (=Ochetostoma erythrogrammon) Fig. 2. Thalassema diaphanes Fig. 3. Thalassema moebii (=Anelassorhynchus moebii) (3a. represents the proboscis of this species when contracted; 3b. represents the tip of the same when expanded) Fig. 4. Thalassema semoni (=Anelassorhynchus semoni). Date: 1903. Source: Gardiner, J. S., ed. The fauna and geography of the Maldive and Laccadive archipelagoes - being the account of the work carried on and of the collections made by an expedition during the years 1899 and 1900. Volume 1, Part II (1903). Author: Clive Forster-Cooper (1880-1947).

Description: English: Adult male, Bonellia viridis, Rol. The original was 1.5 mm. long. The nervous system is not shown. (After Selenka.) a, Generative pore with spermatozoa coming out. b, Anterior blind end of intestine attached to the parenchymatous tissue by muscular strands. c, Green wandering cells containing chlorophyll. d, Parenchymatous connective tissue. e, Epidermis. i, Intestine. j, Vas deferens. l, Internal opening of vas deferens. m, The left anal vesicle. n, Spermatozoa in the body-cavity. Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg.

Description: English: A, Bonellia viridis, Rol., ♀; B, B. fuliginosa. Both natural size. a, grooved proboscis; b, mouth; c, ventral hooks; d, anus. Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg.

Description: English: Female Bonellia viridis, Rol. Opened along the left side. a, Proboscis cut short. b, Bristle passing through the mouth into the pharynx. c, Coiled intestine. d, Anal tufts or vesicles. e, Ventral nerve cord. f, Ovary borne on ventral vessel running parallel with e. g, Position of anus. h, Position of external opening of nephridium. i, Nephridium—the line points towards, but does not reach, the internal opening.. Date: 1911. Source: Encyclopædia Britannica, 1911. Author: Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg.

Description: Fases larvarias de Equiuroideo. Dibujo propio. Date: 11 December 2005 (original upload date). Source: No machine-readable source provided. Own work assumed (based on copyright claims). Author: No machine-readable author provided. Solerquetglas~commonswiki assumed (based on copyright claims).

Description: Esquema anatomico de un equiuroideo. Dibujo propio. Date: 11 December 2005 (original upload date). Source: No machine-readable source provided. Own work assumed (based on copyright claims). Author: No machine-readable author provided. Solerquetglas~commonswiki assumed (based on copyright claims).

Description: English: Live gaebul (aka penis fish) sold at a fish market at Busan, South Korea. Date: 28 April 2012. Source: Own work. Author: ProjectManhattan.