Conserved name

A conserved name or nomen conservandum (plural nomina conservanda, abbreviated as nom.

[3] Rejection (suppression) of individual names is distinct from suppression of works (opera utique oppressa) under Article 34, which allows for listing certain taxonomic ranks in certain publications which are considered not to include any validly published names.

As of the 2012 (Melbourne) edition, a separate volume holds the bulk of the appendices (except appendix I, on names of hybrids).

[citation needed] In the glossary of the International Code of Zoological Nomenclature[8] (the code for names of animals, one of several nomenclature codes), this definition is given: This is a more generalized definition than the one for nomen protectum, which is specifically a conserved name that is either a junior synonym or homonym that is in use because the senior synonym or homonym has been made a nomen oblitum ("forgotten name").

By the usual rules, the genus Tylosteus has precedence and would normally be the correct name.

[citation needed] The ICZN's procedural details are different from those in botany, but the basic operating principle is the same, with petitions submitted to the commission for review.