Also known as USGS F-449
Where: Ryukyu, Japan (24.4° N, 124.2° E: paleocoordinates 24.4° N, 124.2° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ryukyu Limestone Formation (Sakishima Group), Late/Upper Pleistocene (0.1 - 0.0 Ma)
• The Ryukyu Limestone unconformably overlies rocks of the Ishigaki Group, the Miyara Formation, the Nosoko Formation, and the Omoto Granite. Two principal lithologies are present - a stratified sandy limestone, and a massive coralliferous limestone. Conglomeratic limestone is common at th base of the formation
• bed-level stratigraphic resolution
Environment/lithology: poorly lithified, brown, yellow, sandy, calcareous limestone and lithified, fine-grained, shelly/skeletal, calcareous limestone
Size class: macrofossils
Preservation: mold/impression
Reposited in the USNM
Collection methods: quarrying,
• Probably reposited in USGS and USNM collections
Primary reference: H. L. Foster. 1965. Geology of Ishigaki-shima Ryukyu-retto. United States Geological Survey Professional Paper 399(A):1-119 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 41606: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turbo marmoratus, "Turbo petholatus" = Turbo (Turbo) petholatus, "Marmorostoma agyrostoma" = Turbo (Marmarostoma), "Marmorostoma sp." = Turbo (Marmarostoma), "Marmorostoma (Battillus) cf. cornuta" = Turbo (Marmarostoma), Calcar cf. haematragus
Turbo marmoratus Linnaeus 1758 snail
"Turbo petholatus" = Turbo (Turbo) petholatus Linnaeus 1758 snail
"Marmorostoma agyrostoma" = Turbo (Marmarostoma) snail
"Marmorostoma sp." = Turbo (Marmarostoma) Swainson 1829 snail
"Marmorostoma (Battillus) cf. cornuta" = Turbo (Marmarostoma) snail
Calcar cf. haematragus snail | |
Tosatrochus attenuatus Jonas 1844 top snail
Monilea belcheri Philippi 1849 top snail
Trochus calcaratus top snail
Trochus sp. Linnaeus 1758 top snail | |
Cerithium aluco, "Contumax citrinus" = Cerithium (Contumax), "Contumax nodulosus" = Cerithium (Contumax)
Cerithium aluco cerith snail
"Contumax citrinus" = Cerithium (Contumax) cerith snail
"Contumax nodulosus" = Cerithium (Contumax) cerith snail | |
Strombus cf. tridentatus, "Eustrombus thersites" = Strombus (Eustrombus), Strombus (Euprotomus) cf. vomer
Strombus cf. tridentatus conch
"Eustrombus thersites" = Strombus (Eustrombus) conch
Strombus (Euprotomus) cf. vomer Röding 1798 conch | |
Mitra punticulata mitre shell | |
Oliva sp. Bruguière 1789 olive snail | |
"Cantharus cf. fumosus" = Cantharus (Pollia) fumosus, "Kelletia sp." = Siphonalia (Kelletia)
"Cantharus cf. fumosus" = Cantharus (Pollia) fumosus Dillwyn 1817 true whelk | |
Nassarius sp. Duméril 1806 snail | |
Conus sp., Conus cf. generalis, "Conus cf. litteratus" = Conus (Lithoconus) litteratus, Conus cf. marmoreus, Conus cf. ebraeus, Conus cf. lividus
Conus sp. Linnaeus 1758 cone shell
Conus cf. generalis Linnaeus 1767 cone shell
"Conus cf. litteratus" = Conus (Lithoconus) litteratus Linnaeus 1758 cone shell
Conus cf. marmoreus Linnaeus 1758 cone shell
Conus cf. ebraeus Linnaeus 1758 cone shell
Conus cf. lividus Bruguière 1792 cone shell | |
Terebra cf. straminea auger snail
Terebra aff. formosana auger snail | |
Vasum sp. Röding 1798 snail | |
Coralliophila cf. costularis, "Murex (Chicoreus) cf. microphyllus" = Chicoreus
Coralliophila cf. costularis murex snail
"Murex (Chicoreus) cf. microphyllus" = Chicoreus murex snail | |
"Cassis (Casmaria) erinacea" = Casmaria erincaeus, Cassis cf. cornuta
"Cassis (Casmaria) erinacea" = Casmaria erincaeus Linnaeus 1758 snail
Cassis cf. cornuta Linnaeus 1758 snail | |
Cymatium sp. Röding 1798 triton shell | |
Cypraea sp. Linnaeus 1758 cowry | |
Mammilla aff. melanostoma Gmelin 1791 moon snail
Naticarius sp. Dumeril 1806 moon snail
"Notocochlis gualteriana" = Natica gualteriana Récluz 1843 moon snail | |
Bivalvia | |
Barbatia bicolorata, "Arca ventricosa" = Lamarcka ventricosa, "Arca arabica" = Lamarcka avellana, Acar plicata
Barbatia bicolorata clam
"Arca ventricosa" = Lamarcka ventricosa Lamarck 1819 clam
"Arca arabica" = Lamarcka avellana Lamarck 1819 clam
Acar plicata Dillwyn 1817 miniature ark | |
Glycymeris rotunda, Glycymeris sp., Glycymeris cf. vestita, "Glycymeris (Tucetona) aff. nodosa" = Tucetona, Glycymeris (Tucetona) auriflua
Glycymeris rotunda clam
Glycymeris sp. Da Costa 1778 clam
"Glycymeris (Tucetona) aff. nodosa" = Tucetona clam
Glycymeris (Tucetona) auriflua Reeve 1843 clam | |
Lima sowerbyi file clam | |
Chlamys sp. Röding 1798 scallop
Spondylus sp. Linnaeus 1758 scallop | |
Ostrea sp. Linnaeus 1758 oyster | |
? Lucina sp. Bruguière 1797 clam | |
Chama sp. Linnaeus 1758 jewel box | |
? Lioconcha sp., "? Venus (Ventricola) sp." = Antigona (Ventricola), ? Periglypta sp., Periglypta cf. reticulata
? Lioconcha sp. Mörch 1853 venus clam
"? Venus (Ventricola) sp." = Antigona (Ventricola) Römer 1867 venus clam
? Periglypta sp. Jukes-Browne 1914 venus clam
Periglypta cf. reticulata Linnaeus 1758 venus clam | |
Tridacna cf. noae Röding 1798 cockle
"Cardium (Trachycardium) sp." = Trachycardium Mörch 1853 cockle
Discors cf. lyrata cockle | |
Cardita cf. variegata Bruguière 1792 clam |