Arroyo Ekieps 550013 (Miocene to of Colombia)

Where: Colombia (12.1° N, 71.4° W: paleocoordinates 11.2° N, 67.8° W)

• coordinate stated in text

When: Siamaná Formation, Aquitanian to Aquitanian (23.0 - 16.0 Ma)

• presence Siderastrea siderea, Mimachlamys canalis and principally the large benthic foraminifera assemblages point to an early Miocene age

Environment/lithology: reef, buildup or bioherm; reef rocks

• mainly shallow-water marine carbonates deposited over the basement rocks of the Cocinas, Jarara, and Macuira paleoislands. Coral reefs grew fringing the paleoislands
• formation consists of conglomerates, sandstones, and fossiliferous limestones

Size classes: macrofossils, mesofossils

Collection methods: bryozoan specimens were obtained from the surfaces of coral colonies and in the attached sediment. The coral samples were collected from seven stations along transects of 10 m

Primary reference: P. Flórez, E. di Martino, and L. V. Ramalho. 2021. Early Miocene coral reef-associated bryozoans from Colombia. Part I: Cyclostomata, “Anasca” and Cribrilinoidea Cheilostomata. Journal of Paleontology 95(4):694-719 [B. Seuss/B. Seuss]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211330: authorized by Barbara Seuss, entered by Barbara Seuss on 14.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Glabrilaria sp.
Encrusting, substrate: Mollusk shell
Atoichos magnus n. gen. n. sp.
Encrusting, substrate: Mollusk shell
Bryozoa indet.
Encrusting, substrate: Porites baracoaensis
Gymnolaemata
 Cheilostomata - Hippopodinidae
Hippopodina sp. Levinsen 1909
Encrusting, substrate: Millepora sp.
 Cheilostomata - Cribrilinidae
Cribrilinidae indet. Hincks 1880
Encrusting, substrate: Acropora panamensis, Acropora sp., Mollusk shell,
Cribrilaria multicostata n. sp.
Encrusting, substrate: Acropora panamensis and Mollusk shell
Cribrilaria nixor n. sp.
Encrusting, substrate Acropora panamensis
Figularia bragai n. sp.
Encrusting, substrate: Acropora sp., Porites baracoaensis
 Cheilostomata - Romancheinidae
Hippopleurifera "sp. 2" Canu and Bassler 1927
Encrusting, substrate: Acropora sp., Acropora panamensis
 Cheilostomata - Arachnopusiidae
Poricella paulae n. sp.
Encrusting, substrate: Millepora sp., Acropora sp., Alveopora tampae, Caryophylliidae - Alveopora sp., Acropora panamensis
 Cheilostomata - Microporidae
Calpensia caribensis n. sp.
Encrusting, substrate: Alveopora tampae, Colpophyllia willoughbiensis, Goniopora hilli
 Cheilostomata - Margarettidae
Margaretta cf. buski
Erect articulated, substrate: Acropora panamensis
 Cheilostomata - Schizoporellidae
Gemelliporidra aff. magniporosa
Encrusting, substrate: Acropora sp.
 Cheilostomata - Hippoporinidae
Hippomenella sp.
Encrusting, substrate: Acropora sp., Caryophylliidae - Acropora sp.
 Cheilostomata - Sertellidae
Reteporellina sp. Harmer 1933
Erect rigid, substrate: Caryophylliidae - Acropora panamensis, Acropora panamensis
Stenolaemata
 Cyclostomata - Oncousoeciidae
Proboscina sp. Audouin 1826
Encrusting, substrate: Acropora panamensis, Alveopora tampae
 Cyclostomata - Mecynoeciidae
Mecynoecia sp.
Erect rigid, substrate: Goniopora hilli
Hydrozoa
 Milleporina -
Millepora sp. fire coral
Anthozoa
 Scleractinia - Acroporidae
Acropora panamensis Vaughan 1919 stony coral
Alveopora tampae Weisbord 1973 stony coral
 Scleractinia - Poritidae
Goniopora hilli Vaughan 1919 stony coral
Porites baracoaensis Vaughan 1919 stony coral
 Scleractinia - Caryophylliidae
Caryophylliidae indet. Gray 1847 stony coral
 Scleractinia - Mussidae
Colpophyllia willoughbiensis Vaughan 1919 stony coral