Homotrema rubra

Homotrema rubra
Homotrema rubrum. Encrusting foraminifera on an eroded coral clast from the Holocene of the Bahamas.
Scientific classification
Clade: SAR
Phylum: Foraminifera
Class: Globothalamea
Order: Rotaliida
Family: Homotrematidae
Genus: Homotrema
Species:
H. rubrum
Binomial name
Homotrema rubrum
(Lamarck, 1816)
Synonyms
  • Homotrema rubrum
  • Millepor rubra

Homotrema rubrum is a colonial foraminifer. It was originally discovered by Jean-Baptiste Lamarck. It is a strong red in colour.[1] It grows on coral rubble found on the reef crest in tropical waters.[2] Ground by the surf into sand-sized pieces, it is what gives Bermuda beaches a pink tint.[3][4]

The name Homotrema rubra, which is sometimes used for this species, is not accepted.[5] The original name given by Lamarck was Millepora rubra, and the accepted name is Homotrema rubrum.[5]

References

  1. Bermuda's Southern Aeolite Reef Tract, article in Science
  2. https://www.researchgate.net/profile/Jessica_Pilarczyk/publication/226729736_Homotrema_rubrum_(Lamarck)_taphonomy_as_an_overwash_indicator_in_Marine_Ponds_on_Anegada_British_Virgin_Islands/links/0f3175371c7b82bf46000000.pdf
  3. "Bermuda's Gorgeous Pink Sand Beaches".
  4. "Our unique pink sand | the Royal Gazette:Bermuda Green Pages".
  5. 1 2 World Register of Marine Species
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