Where: Manabi, Ecuador (0.2° S, 80.3° W: paleocoordinates 0.3° S, 79.9° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Punta Ballena Member (Jama Formation), Early/Lower Pleistocene (2.6 - 0.8 Ma)
• While not specified, it appears that the collection is a composite of several bulk samples showing similar taphonomic characteristics and stratal position. Early Pleistocene in age (MOI stages 35-50). The Punta Ballena Member of the Jama Formation is overlain by the El Matal Member (60 m thick, fluvial) and underlain by the Punta Pasa Borracho Member (20 m thick, marine). The Punta Ballena Member is 100 m thick, mixed fluvial and marine. The age of the Jama Formation is constrained by 40Ar/39Ar date of tephra beds.
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; unlithified, medium-grained, coarse, shelly/skeletal sandstone
Size class: macrofossils
Preservation: original aragonite, original calcite
Collection methods: bulk, sieve,
• Unknown respository for material; possibly either Universita di Camerino or Universita di Pisa, Italy; faunal list is a composite of at least two bulk collections.
Primary reference: G. Cantalamessa, C. Di Celma, and L. Ragaini. 2005. Sequence stratigraphy of the Punta Ballena Member of the Jama Formation (Early Pleistocene, Ecuador): insights from integrated sedimentologic, taphonomic and paleoecologic analysis of molluscan shell concentrations. Palaeogeography, Palaeoclimatology, Palaeoecology 216:1-25 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 48665: authorized by Austin Hendy, entered by Austin Hendy on 26.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Nucula exigua" = Nucula (Lamellinucula) exigua
"Nucula exigua" = Nucula (Lamellinucula) exigua Sowerby 1833 nut clam | |
Adrana sp., "Nuculana eburnea" = Saccella eburnea
Adrana sp. Adams and Adams 1858 pointed nut clam
"Nuculana eburnea" = Saccella eburnea Sowerby 1833 pointed nut clam | |
Arcidae indet., Anadara obesa, "Grandiarca grandis" = Larkinia grandis, Anadara aequatorialis, Lunarca brevifrons, Anadara nux
Arcidae indet. Lamarck 1809 clam
Anadara obesa Sowerby 1833 ark
"Grandiarca grandis" = Larkinia grandis Broderip and Sowerby 1829 ark
Anadara aequatorialis d'Orbigny 1846 ark
Lunarca brevifrons Sowerby I 1833 ark
Anadara nux Sowerby I 1833 ark | |
Noetia reversa Sowerby 1833 clam | |
"Pacipecten sp." = Leptopecten
"Pacipecten sp." = Leptopecten Verrill 1897 scallop | |
"Panopea cf. coquimbensis" = Panopea abbreviata
"Panopea cf. coquimbensis" = Panopea abbreviata Valenciennes 1839 clam | |
Solen sp. Linnaeus 1758 clam | |
"Mysella compressa" = Kurtiella compressa
"Mysella compressa" = Kurtiella compressa Dall 1913 kelly clam | |
"Bornia cf. venada" = Solecardia venada
"Bornia cf. venada" = Solecardia venada Olsson 1961 clam | |
Mulinia pallida, "Mactra (Micromactra) sp." = Mactrotoma
Mulinia pallida Broderip and Sowerby 1829 clam
"Mactra (Micromactra) sp." = Mactrotoma Dall 1894 surfclam | |
Raeta undulata Gould 1851 clam | |
Chione sp., "Chione jamaniana" = Chionopsis amathusia, "Chione gorgona" = Lirophora mariae, Cyclinella sp., "Pitar paytensis" = Lamelliconcha paytensis, Pitar sp.
Chione sp. von Mühlfield 1811 venus clam
"Chione jamaniana" = Chionopsis amathusia Philippi 1844 venus clam
"Chione gorgona" = Lirophora mariae d'Orbigny 1846 venus clam
Cyclinella sp. Dall 1902 venus clam
"Pitar paytensis" = Lamelliconcha paytensis d'Orbigny 1845 venus clam
Pitar sp. Römer 1857 venus clam | |
"Trachycardium procerum" = Mexicardia procera, "Trigoniocardia obovalis" = Apiocardia obovale
"Trachycardium procerum" = Mexicardia procera Sowerby 1833 cockle
"Trigoniocardia obovalis" = Apiocardia obovale Sowerby 1833 cockle | |
"Macoma lamproleuca" = Psammacoma lamproleuca, Psammotreta sp., "Macoma cf. grandis" = Psammotreta grandis, Temnoconcha cognata, Tellina sp., "Tellina cf. hertleini" = Tellina (Eurytellina) hertleini, "Tellina aequizonata" = Tellina (Miratellina) aequizonata
"Macoma lamproleuca" = Psammacoma lamproleuca Pilsbry and Lowe 1932 tellin clam
Psammotreta sp. Dall 1900 tellin clam
"Macoma cf. grandis" = Psammotreta grandis Hanley 1844 tellin clam
Temnoconcha cognata Adams 1852 tellin clam
Tellina sp. Linnaeus 1758 tellin clam
"Tellina cf. hertleini" = Tellina (Eurytellina) hertleini Olssoni 1961 tellin clam
"Tellina aequizonata" = Tellina (Miratellina) aequizonata Pilsbry and Olsson 1941 tellin clam | |
Solecurtus broggii Pilsbry and Olsson 1941 clam
Tagelus sp. Gray 1847 clam | |
"Pholas chiloensis" = Pholas (Thovana) chiloensis
"Pholas chiloensis" = Pholas (Thovana) chiloensis Molina 1782 clam | |
Corbula sp., "Corbula tenuis" = Tenuicorbula tenuis
Corbula sp. Bruguière 1789 clam
"Corbula tenuis" = Tenuicorbula tenuis Sowerby 1833 clam | |
Scaphopoda | |
Cadulus sp. Philippi 1844 tusk shell | |
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium cf. oerstedi tusk shell | |
Gastropoda | |
Epitonium sp., "Nitidiscala cf. durhamiana" = Epitonium (Nitidiscala)
Epitonium sp. Bolten 1798 wentletrap
"Nitidiscala cf. durhamiana" = Epitonium (Nitidiscala) wentletrap | |
Polinices cf. panamensis moon snail
Natica elenae Récluz 1844 moon snail | |
Circulus sp. Jeffreys 1842 snail
Circulus occidentalis Pilsbry and Olsson 1941 snail | |
Melongena sp. Schumacher 1817 snail | |
Nassarius gemmulosus snail | |
Cymatophos galerus, Hanetia cymioides, Hanetia cf. ecuadorensis, Hanetia cf. boggsi, Northia northiae, Strombinophos loripanus
Cymatophos galerus Pilsbry and Olsson 1941 true whelk
Hanetia cf. ecuadorensis Pilsbry and Olsson 1941 true whelk
Hanetia cf. boggsi Pilsbry and Olsson 1941 true whelk
Northia northiae Gray in Griffith & Pidgeon 1833 true whelk
Strombinophos loripanus Pilsbry and Olsson 1941 true whelk | |
Strioterebrum sp. Sacco 1891 auger snail
Strioterebrum cf. camaronense auger snail
Terebra elenae auger snail | |
Conus sp. Linnaeus 1758 cone shell
Conus cf. cacuminatus Spieker 1922 cone shell | |
"Cancellaria solida" = Pyruclia solida Sowerby 1832 snail
Cancellaria cf. picta snail
Cancellaria metuloides Olsson 1964 snail | |
Oliva incrassata Lightfoot 1786 olive snail | |
| |
Marsupina nana Broderip and Sowerby 1829 frog shell | |
Turritella pasada Pilsbry and Olsson 1941 turret shell | |
Crepidula sp. Lamarck 1799 slipper shell | |
Acteocina cf. tabogaensis barrel-bubble
Acteocina puruha Pilsbry and Olsson 1941 barrel-bubble | |
Architectonica nobilis Röding 1798 sundial |