Glossary

171 terms beginning with S · showing 161–171

1. symphyseal knob

   Swelling located at the tip of the lower jaw in some fish species.

   Used in 5 profiles

2. symplesiomorphy

   In cladistics, a character or trait shared by two or more taxonomic groups and derived from a remote or much earlier common ancestral form.

3. synapomorphy

   In cladistics, a character or trait shared by two or more taxonomic groups and derived from a common ancestral form, whose ancestor in turn did not possess that trait.

   Used in 42 profiles

4. synchronous spawning

   Spawning behaviour in which all individuals of a species spawn in unison, normally as a result of some environmental trigger or cue.

5. synonym

   In zoological nomenclature, any of two or more names of the same taxonomic rank used to denote the same taxon. Names referred to as synonyms are not usually valid in the current sense.

   Used in 204 profiles

6. synonymous

   Having the same or similar meaning, significance or implication; being a synonym of something.

   Used in 76 profiles

7. synonymy

   The quality or state of being synonymous; a list or record of all synonyms that have been applied to a species or group

   Used in 28 profiles

8. synopsis

   Brief outline or description of a taxon.

   Used in 1 profile

9. syntopic

   Occupying the same habitat within a specified geographical area, and sometimes competing for resources as a result.

   Used in 18 profiles

10. syntype

    Any specimen within a type series if no holotype or lectotype has been designated, the syntypes collectively representing the name-bearing type.

    Used in 2 profiles

11. systematics

    Branch of biology concerned with classification and nomenclature of organisms, and the relationships between them; taxonomy.

    Used in 41 profiles