Also known as Tagelus Zone
Where: Manabi, Ecuador (0.2° N, 80.3° W: paleocoordinates 0.1° N, 79.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Canoa Formation, Gelasian (2.6 - 1.8 Ma)
• As exposed in the Quebrada Mangle section, the Canoa Formation has a thickness of around 125 feet, comprising Pliocene through Pleistocene marine and non-marine strata. The collection is from the Zone I (Tagelus Zone), which has a thickness of around 12 ft.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; unlithified, shelly/skeletal, blue, sandy claystone
Size class: macrofossils
Collection methods: quarrying,
• Probably collected by current authors, though text also makes referal to faunal lists by Sheppard (1930) and a collecton of Barker.
Primary reference: H. A. Pilsbry and A.A. Olsson. 1941. A Pliocene fauna from Western Ecuador. Proceedings of the Natural Sciences of Philadelphia 93:1-79 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 51879: authorized by Austin Hendy, entered by Austin Hendy on 29.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
"Dentalium (Tesseracme) tesseragonum" = Tesseracme
"Dentalium (Tesseracme) tesseragonum" = Tesseracme tusk shell | |
Bivalvia | |
"Nucula declivis" = Nucula (Nucula) declivis
"Nucula declivis" = Nucula (Nucula) declivis Hinds 1843 nut clam | |
Nuculana gibbosa pointed nut clam
"Nuculana eburnea" = Saccella eburnea Sowerby 1833 pointed nut clam
"Nuculana elenensis" = Saccella elenensis Sowerby I 1833 pointed nut clam SUBSPECIES: N. elenensis pyriformis
| |
"Arca (Larkinia) larkini" = Anadara (Larkinia), "Arca (Scapharca) concinna" = Anadara concinna
"Arca (Larkinia) larkini" = Anadara (Larkinia) ark
"Arca (Scapharca) concinna" = Anadara concinna Sowerby 1833 ark | |
"Pecten (Janira) sericeus" = Flabellipecten sericeus, "Pecten ventricosus" = Argopecten ventricosus
"Pecten (Janira) sericeus" = Flabellipecten sericeus Hinds 1844 scallop
"Pecten ventricosus" = Argopecten ventricosus Sowerby 1842 calico scallop | |
Anomia peruviana d'Orbigny 1846 jingle | |
"Panopaea cf. coquimbensis" = Panopea abbreviata
"Panopaea cf. coquimbensis" = Panopea abbreviata Valenciennes 1839 clam | |
"Cardium (Trigoniocardia) graniferum" = Trigoniocardia graniferum, "Cardium (Trigoniocardia) obovale" = Apiocardia obovale, "Laevicardium elenense" = Laevicardium substriatum
"Cardium (Trigoniocardia) graniferum" = Trigoniocardia graniferum Broderip and Sowerby 1829 cockle
"Cardium (Trigoniocardia) obovale" = Apiocardia obovale Sowerby 1833 cockle
"Laevicardium elenense" = Laevicardium substriatum Conrad 1837 cockle [entered as Laevicardium elenensis]
| |
"Tagelus (Mesopleura) peruvianus n. sp." = Tagelus peruvianus
"Tagelus (Mesopleura) peruvianus n. sp." = Tagelus peruvianus Pilsbry and Olsson 1941 clam | |
"Tellina (Angulus) cf. felix" = Angulus, "Macoma grandis" = Psammotreta grandis, "Macoma (Macoploma) ecuadoriana n. sp." = Macoma (Psammacoma) ecuadoriana, "Macoma lamproleuca" = Psammacoma lamproleuca, Tellina (Eurytellina) laplata n. sp., "Tellina (Eurytellina) ecuadoriana n. sp." = Tellina (Eurytellina) regia
"Tellina (Angulus) cf. felix" = Angulus tellin clam
"Macoma grandis" = Psammotreta grandis Hanley 1844 tellin clam
"Macoma (Macoploma) ecuadoriana n. sp." = Macoma (Psammacoma) ecuadoriana Pilsbry and Olsson 1941 tellin clam
"Macoma lamproleuca" = Psammacoma lamproleuca Pilsbry and Lowe 1932 tellin clam
Tellina (Eurytellina) laplata n. sp. Pilsbry and Olsson 1941 tellin clam
"Tellina (Eurytellina) ecuadoriana n. sp." = Tellina (Eurytellina) regia Hanley 1844 tellin clam | |
Pitar affinis, "Dosinia grandis" = Dosinia ponderosa, "Chione (Lirophora) mariae" = Lirophora mariae
Pitar affinis venus clam
"Dosinia grandis" = Dosinia ponderosa Gray 1838 venus clam
"Chione (Lirophora) mariae" = Lirophora mariae d'Orbigny 1846 venus clam | |
"Mactra (Mactrella) alata" = Mactrellona alata
"Mactra (Mactrella) alata" = Mactrellona alata Spengler 1802 clam | |
Gastropoda | |
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum Valenciennes 1833 snail | |
Natica broderipiana Récluz 1844 moon snail
Polinices sp. Monfort 1810 moon snail
Polinices panamensis moon snail | |
Oliva kaleontina olive snail | |
Conus tornatus cone shell | |
"Nassa (Perunassa) ecuadorana n. sp." = Perunassa
"Nassa (Perunassa) ecuadorana n. sp." = Perunassa true whelk | |
Strombina lanceolata, "Strombina gibberula" = Sincola (Dorsina) gibberula
Strombina lanceolata Sowerby 1832 snail
"Strombina gibberula" = Sincola (Dorsina) gibberula Sowerby 1832 snail | |
"Marginella minor" = Volvarina taeniata, Marginella incrassata
"Marginella minor" = Volvarina taeniata Sowerby 1846 margin shell
Marginella incrassata margin shell | |
"Cancellaria (Olivia) cumingiana" = Massyla cumingiana
"Cancellaria (Olivia) cumingiana" = Massyla cumingiana Petit de la Saussaye 1844 snail | |
"Turbo saxosus" = Turbo (Callopoma) saxosus
"Turbo saxosus" = Turbo (Callopoma) saxosus Wood 1828 snail |