Small fumarole north of Sisters Peak, Ascension (Holocene of Saint Helena)

Where: Saint Helena (7.9° S, 14.4° W: paleocoordinates 7.9° S, 14.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• The many bones collected here were found mainly in a small pocket floored with about 60 cm of dust and cinders (Olson 1973). Bones from the deeper layers were stained dark brown while those at the surface were white.

• bed-level stratigraphic resolution

Environment/lithology: cave; lithology not reported

Size class: macrofossils

Collected by S.L. Olson, J.M. Couch in 1970; reposited in the USNM

Primary reference: S. L. Olson. 1973. Evolution of the rails of the South Atlantic Islands (Aves: Rallidae). Smithsonian Contributions to Zoology 152:1-53 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194278: authorized by Matthew Clapham, entered by Matthew Clapham on 17.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Gruiformes - Rallidae
"Atlantisia elpenor" = Mundia elpenor, "cf. Porphyrula alleni" = Porphyrio alleni2
"Atlantisia elpenor" = Mundia elpenor Olson 1973 rail
"cf. Porphyrula alleni" = Porphyrio alleni2 Thomson 1842 Allen's gallinule
 Suliformes - Sulidae
Sula sula2 Linnaeus 1766 red-footed booby
Sula dactylatra2 Lesson 1831 masked booby
 Pelecaniformes - Ardeidae
Nycticorax olsoni1 Bourne et al. 2003 Ascension night heron
 Procellariiformes - Hydrobatidae
Oceanodroma castro2 Harcourt 1861 band-rumped storm-petrel
 Charadriiformes - Laridae
"Sterna fuscata" = Onychoprion fuscatus2, Gygis alba2
"Sterna fuscata" = Onychoprion fuscatus2 Linnaeus 1766 sooty tern
Gygis alba2 Sparman 1786 white tern