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190 Terms used in Bionomenclature<br />
substitute culture: (prok., unoff.) a culture selected to replace a strain<br />
which has become contaminated or is no longer viable; see neotype<br />
substitute name: (zool.) any available name, whether new or not, used to<br />
replace an older available name; see emendation, nomen novum,<br />
replacement name, synonym.<br />
substitute type: (bot., obsol.) species arbitrarily taken as types of genera in<br />
the case of any "exceptions to rules for generic types".<br />
substitution: (zool.) the act of introducing a substitute name (q.v.).<br />
substrate: (mycol., prok., not nomenclatural) of the growth of<br />
microorganisms, the nutritional substances forming the growth<br />
medium.<br />
substratum: (mycol., not nomenclatural) the material or host on which a<br />
fungus grows in nature, whether obtaining nutrients from it or not.<br />
subtribe: (1) (zool.) a family group rank below tribe; such names have the<br />
suffix “-ina”. (2) a taxon at the rank of subtribe.<br />
subtroop: (palaeo., unoff.) the term for a unit in a Period classification<br />
(q.v.) incorporating about 100 palaeotaxa or species; see troop.<br />
subturma: (palaeo. bot., unoff.) a rank between genus and turma (q.v.), e.g.<br />
Subturma Triporines.<br />
sub-type: (zool., obsol.) a rank in the category of subphylum (q.v.).<br />
suffix, [pl. suffixes]: a letter or group of letters added to the stem of a word,<br />
as in terminations denoting rank (e.g. (zool.) “-idea” and (bot.) “-<br />
aceae” in family names) or in forming generic names or specific<br />
epithets; see compound, prefix, termination.<br />
sup. cit., [supra citato]: cited above.<br />
super-: above; (zool.) used as a prefix added to the term denoting a rank to<br />
indicate a position above that rank but below the next principal rank<br />
in the hierarchy; see also supra-.<br />
superfamily, [pl. superfamilies]: (1) (zool.) a family-group rank above<br />
family; such names have the suffix “-oidea”; the highest rank at<br />
which names are fully regulated by the Code. (2) a taxon at the rank<br />
of superfamily. (3) (zool., obsol.) a category included in the same<br />
group as family and subfamily.