Definition

1. Noun (Proper):
   • A taxonomic order of bacteria: "Order Mycoplasmatales" is a scientific classification in biology. It refers to a specific order within the class Mollicutes. This order is coextensive with (meaning it contains the same members as) the family Mycoplasmataceae. Organisms in this order are characterized by the lack of a cell wall and are among the smallest known free-living cells.

Usage Notes

• This term is used exclusively in scientific contexts, particularly in microbiology, taxonomy, and medicine.
• It is always capitalized as it is a proper noun referring to a specific taxonomic rank.
• It is typically used in technical writing, research papers, and academic discussions about bacterial classification.

Examples of Usage

• Noun:
  • The bacterium Mycoplasma pneumoniae belongs to the order Mycoplasmatales.
  • Taxonomic studies confirmed its placement within the order Mycoplasmatales.

Advanced Usage

• In taxonomic hierarchy: The term is used to specify the rank between class and family.
  • The class Mollicutes includes the order Mycoplasmatales.

Variants and Related Words

• Mycoplasmatales: The standard form of the term.
• Mycoplasmataceae (noun): The family that is coextensive with this order.
• Mycoplasma (noun): A prominent genus within this order/family, containing many species that are pathogens in humans and animals.

Synonyms

• There are no direct common-language synonyms. In highly specific taxonomic contexts, one might refer to it descriptively as "the mycoplasma order".

Related Phrases

• Member of Mycoplasmatales: Used to describe an organism classified under this order.
  • The identified cell-wall-deficient bacterium is a member of Mycoplasmatales.

Noun

1. coextensive with the family Mycoplasmataceae