Where: Costa Rica (10.0° N, 84.3° W)
• Paleocoordinates: 12.1° N, 81.7° W (Wright 2013)
• coordinate stated in text
• outcrop-level geographic resolution
When: Early/Lower Miocene to Early/Lower Miocene (23.0 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit. AGE: Early-Late Miocene, based on correlation of echinoid faunas with other assemblages; appears similar in age to Mesón and Tuxpan Fms of Mesico and the Ojo de Agua Fm of Venezuela. STRATIGRAPHIC POSITION: From unknown position within section.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified siliciclastic sediments
Size class: macrofossils
Collected by Malavassi in 1957; reposited in the USNM
Collection methods: surface (in situ),
• COLLECTOR: E. Malavassi V, 1957. REPOSITORY: USNM.
Primary reference: J. W. Durham. 1961. Miocene echinoids from the Valle Central, Costa Rica. Journal of Paleontology 35(3):480-488 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 92098: authorized by Austin Hendy, entered by Austin Hendy on 29.10.2009, edited by Pedro Monarrez
Creative Commons license: CC0 (CC0)
Taxonomic list
Gastropoda | |
Bivalvia | |
Echinoidea | |
Schizaster costaricensis n. sp.
Schizaster costaricensis n. sp. Durham 1961 heart urchin | |
Pericosmus israelskyi n. sp.
Pericosmus israelskyi n. sp. Durham 1961 heart urchin | |
Plagiobrissus malavassii n. sp., Plagiobrissus costaricensis n. sp., Brissopsis sp., Schizobrissus kewi n. sp.
Plagiobrissus malavassii n. sp. Durham 1961 heart urchin
Plagiobrissus costaricensis n. sp. Durham 1961 heart urchin
Brissopsis sp. Agassiz 1840 heart urchin
Schizobrissus kewi n. sp. Durham 1961 heart urchin | |
Clypeaster sp. Lamarck 1801 sand dollar | |
Echinolampas woodringi n. sp.
Echinolampas woodringi n. sp. Durham 1961 sea urchin | |
Thecostraca | |
Balanus sp. Da Costa 1778 barnacle | |
Gastropoda | |
| |
Malea aff. elliptica Pilsbry and Johnston 1917 tun shell | |
Cypraecassis cf. tenuis Wood 1828 snail | |
Bivalvia | |
"Aequipecten aff. plurinominis" = Lindapecten plurinominis, "? Lyropecten (? Nodipecten) cf. nodosus" = Nodipecten nodosus
"Aequipecten aff. plurinominis" = Lindapecten plurinominis Pilsbry and Johnson 1917 scallop
"? Lyropecten (? Nodipecten) cf. nodosus" = Nodipecten nodosus Linnaeus 1758 scallop |