Napak (Napak Member) (Miocene of Uganda)

Also known as Napak I, IV, V, IX, X

Where: Uganda (2.1° N, 34.2° E: paleocoordinates 1.7° N, 32.1° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Burdigalian (20.4 - 16.0 Ma)

• "localities I, IV, V, and IX are intercalated with volcanic tuffs... and biotites from these tuffs at Napak I have produced dates of 19.5 +/- 2 Ma and 18.3 +/- 0.4 Ma" after being "adjusted for new constants" but "the younger date is discrepantly low" so an age of "between 19 and 20 Ma" (i.e., Burdigalian) is favored (Rossie and MacLatchy 2006)

• member-level stratigraphic resolution

Environment/lithology: "floodplain"; lithology not reported

Size classes: macrofossils, mesofossils

Collected by W. W. Bishop in 1958 - 1964

• Includes subcollections:I, IV, V, IX, X

Primary reference: W. W. Bishop and J. D. Clark. 1965. Background to Evolution in Africa. University of Chicago Press, Chicago [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 28441: authorized by John Alroy, entered by Jill Wertheim on 13.02.2003, edited by John Alroy, Mark Uhen and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Architaenioglossa - Maizaniidae
Maizania sp.5 Bourguignat 1889 snail
 Stylommatophora -
Trochozonites sp.5 Pfeffer 1883 slug
 Stylommatophora - Subulinidae
Subulinidae indet.5 Fischer and Crosse 1877 slug
 Stylommatophora - Achatinidae
Limicolaria sp.5 Schumacher 1817 slug
Mammalia
 Ptolemaiida - Kelbidae
Kelba quadeemae7 Savage 1965 mammal
 Rodentia -
 Rodentia - Thryonomyidae
Paraphiomys pigotti5 Andrews 1914 cane rat
 Primates - Dendropithecidae
Micropithecus clarki1 Fleagle and Simons 1978 monkey
type from Napak IV; referred specimens from Napak I, IV, V, and IX
 Primates -
Cercopithecoidea indet.5 Gray 1821 monkey
Lomorupithecus harrisoni n. gen. n. sp.6 Rossie and MacLatchy 2006 monkey
type collected in 2002 from Napak IV
 Perissodactyla - Rhinocerotidae
 Perissodactyla - Chalicotheriidae
Chalicotherium rusingense5 Butler 1965 chalicothere
 Artiodactyla - Suidae
Nguruwe kijivium5 Pickford 1986 pig
 Artiodactyla - Tragulidae
Dorcatherium songhorensis5 Whitworth 1958 chevrotain
 Artiodactyla -
Walangania africanus5 Whitworth 1958 ruminant
 Creodonta - Hyainailouridae
Isohyaenodon pilgrimi4 Savage 1965 creodont
Metapterodon aff. stromeri2 Morales et al. 1998 creodont
NAP V 121'08 from Napak V
Hyainailouros napakensis2 Ginsburg 1980 creodont
Leakitherium sp.4 Savage 1965 creodont
Sectisodon occultus n. gen. n. sp.2 Morales and Pickford 2017 creodont
 Creodonta -
Metasinopa napaki7 Savage 1965 creodont
Teratodon spekei4 Savage 1965 creodont
 Creodonta - Hyaenodontidae
Prionogale breviceps4 Schmidt-Kittler and Heizmann 1991 creodont
 Placentalia -
Carnivora indet.5 Bowdich 1821 carnivoran
said to be new
 Carnivora - Nimravidae
Ginsburgsmilus napakensis4 Morales et al. 2001 false sabre-tooth
 Carnivora - Herpestidae
Ugandictis napakensis n. gen. n. sp.4
Ugandictis napakensis n. gen. n. sp.4 Morales et al. 2007 mongoose
 Carnivora - Viverridae
Kichechia zamanae7 Savage 1965 civet
 Carnivora - Amphicyonidae
Hecubides euryodon7 Savage 1965 bear-dog
Afrocyon sp.3 Arambourg 1961 bear-dog
NAP I 7'99 from Napak 1
 Hyracoidea - Titanohyracidae
"Megalohyrax championi" = Afrohyrax championi5
"Megalohyrax championi" = Afrohyrax championi5 Arambourg 1933 hyrax
Reptilia
 Testudines -
"Chelonia indet." = Testudines5
"Chelonia indet." = Testudines5 Batsch 1788 turtle
 Ophidia -