Afifella is a photoheterotrophic genus in the phylum Proteobacteria

Proteobacteria

The Proteobacteria are a major group of bacteria. They include a wide variety of pathogens, such as Escherichia, Salmonella, Vibrio, Helicobacter, and many other notable genera....

 (Bacteria

Bacteria

Bacteria are a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals...

).

Etymology

The name Afifella derives from:
New Latin

New Latin

The term New Latin, or Neo-Latin, is used to describe the Latin language used in original works created between c. 1500 and c. 1900. Among other uses, Latin during this period was employed in scholarly and scientific publications...

 feminine gender

Grammatical gender

Grammatical gender is defined linguistically as a system of classes of nouns which trigger specific types of inflections in associated words, such as adjectives, verbs and others. For a system of noun classes to be a gender system, every noun must belong to one of the classes and there should be...

 dim. noun Afifella, named after S. Afif, British philosopher and painter in recognition of his expertise and guidance in the subject of the philosophical tendency of structuralism, essential for the development and understanding of taxonomy as a science.

Species

The genus contains 2 species, namely

• A. marina ((Imhoff 1984) Urdiain et al. 2009; Latin
  Latin
  Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...
  
   adjective marina meaning marine), was previously knwon as Rhodobium marinum and before that as Rhodopseudomonas marina.
• A. pfennigii ( (Caumette et al. 2007) Urdiain et al. 2009, ; New Latin
  New Latin
  The term New Latin, or Neo-Latin, is used to describe the Latin language used in original works created between c. 1500 and c. 1900. Among other uses, Latin during this period was employed in scholarly and scientific publications...
  
   genitive case
  Latin declension
  Latin is an inflected language, and as such has nouns, pronouns, and adjectives that must be declined in order to serve a grammatical function. A set of declined forms of the same word pattern is called a declension. There are five declensions, which are numbered and grouped by ending and...
  
   noun pfennigii, of Pfennig, named after Norbert Pfennig
  Norbert Pfennig
  Norbert Pfennig was a German microbiologist.Norbert Pfennig described with Bernhard Schink Pelobacter acidigallici, a bacteria species in the genus Pelobacter. P. acidigallici is able to degrade trihydroxybenzenes.-References:...
  
  , a German microbiologist.) was previously known as Rhodobium pfennigii