Lancelet: alternatives and connections

Partial or total absence of the skull.

A genus of small free-swimming Tunicata, shaped somewhat like a tadpole, and remarkable for resemblances to the larvae of other Tunica…

The lancelet. See Amphioxus.

A large ruminant used in Asia and Africa for carrying burdens and for riding. The camel is remarkable for its ability to go a long tim…

one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis; "print…

Domination of the head in animal life as expressed in the physical structure; localization of important organs or parts in or near the…

The lowest group of vertebrates; -- so called from the cirri around the mouth; the Leptocardia. See Amphioxus.

The act or state of growing worse, or the state of having become worse; decline; degradation; debasement; degeneracy; deterioration.

A group of fishlike animals including the Marsipobranchiata and Leptocardia.

In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground.

The act of differentiating.

The doctrine of purposelessness; a term applied by Haeckel to that branch of physiology which treats of rudimentary organs, in view of…

A cavity formed by the invagination of the outer wall of the body, as the atrium of an amphioxus and possibly the body cavity of verte…

A small, African, foxlike animal (Vulpes zerda) of a pale fawn color, remarkable for the large size of its ears.

A large, venomous serpent (Trigonocephalus lanceolatus) of Brazil and the West Indies. It is allied to the rattlesnake, but has no rat…

The state or quality of being fishy or fishlike.

Consisting of fish; fishlike; having the qualities or taste of fish; abounding in fish.

In the popular sense, the bloom or blossom of a plant; the showy portion, usually of a different color, shape, and texture from the fo…