Homotrema 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]

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

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
  2. Jessica E. Pilarczyk; Eduard G. Reinhardt (August 2012). "Homotrema rubrum (Lamarck) taphonomy as an overwash indicator in Marine Ponds on Anegada, British Virgin Islands" (PDF). Natural Hazards. 63 (1): 85–100. doi:10.1007/s11069-010-9706-3. S2CID 26887223. Retrieved 21 March 2022.
  3. "Bermuda's Gorgeous Pink Sand Beaches". Bermuda-online.org.
  4. "Our unique pink sand | the Royal Gazette:Bermuda Green Pages". Royalgazette.com.
  5. "WoRMS - World Register of Marine Species - Homotrema rubrum (Lamarck, 1816)". Marinespecies.org. Retrieved 21 March 2022.
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