Alto Guayacan (Miocene of Costa Rica)

Where: Limon, Costa Rica (9.6° N, 82.6° W: paleocoordinates 9.3° N, 81.3° W)

• coordinate stated in text

• local area-level geographic resolution

When: Uscari Formation (Limon Group), Late/Upper Miocene (11.6 - 5.3 Ma)

• Age based in Collins et al.

• formation-level stratigraphic resolution

Environment/lithology: marine; green claystone

Size class: macrofossils

Collection methods: bulk, sieve,

• Material from Museo de Zoologia de Ia Escuela de Biologia (UCR)

Primary reference: C. A. Laurito. 1999. Los selaceos fósiles de Ia localidad de Alto Guayacan ( y otros ictiolitos asociados). 168 [C. Jaramillo/C. Pimiento]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 162678: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 01.10.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Kruckowlamna costarricana
Chondrichthyes
 Heterodontiformes - Heterodontidae
Heterodontus uscariensis
 Squaliformes - Dalatiidae
Isistius triangulus
Isistius triangulus Probst 1879 shark
 Squaliformes - Squalidae
Squalus sp.
Squalus sp. Linnaeus 1758 dogfish shark
 Squatiniformes - Squatinidae
Squatina sp.
Squatina sp. Dumeril 1806 angel shark
 Carcharhiniformes - Carcharhinidae
Physogaleus sp., Scoliodon taxandriae, Rhizoprionodon fischeuri, Carcharhinus acanthodon, Carcharhinus cionei, Carcharhinus priscus, Carcharhinus falciformis, Isogomphodon acuarius
Physogaleus sp. Cappetta 1980 requiem shark
Scoliodon taxandriae Leriche 1926 requiem shark
Rhizoprionodon fischeuri sharpnose shark
Carcharhinus cionei requiem shark
Carcharhinus priscus Agassiz 1843 requiem shark
Carcharhinus falciformis Bibron 1841 requiem shark
Isogomphodon acuarius daggernose shark
 Carcharhiniformes - Sphyrnidae
Sphyrna zygaena
Sphyrna zygaena Linnaeus 1758 hammerhead shark
 Carcharhiniformes - Hemigaleidae
Chaenogaleus affinis, Hemipristis serra
Chaenogaleus affinis Probst 1878 ground shark
Hemipristis serra Agassiz 1835 ground shark
 Carcharhiniformes - Triakidae
Mustelus lunulatus
Mustelus lunulatus hound shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo aduncus
Galeocerdo aduncus Agassiz 1835 tiger shark
 Carcharhiniformes - Scyliorhinidae
Scyliorhinus sp., Scyliorhinus ambiatlanticus
Scyliorhinus sp. Blainville 1816 cat shark
 Orectolobiformes - Ginglymostomatidae
Ginglymostoma delfortriei
Ginglymostoma delfortriei Daimeries 1889 nurse shark
 Orectolobiformes - Rhincodontidae
"Rhiniodon typus" = Rhincodon typus
"Rhiniodon typus" = Rhincodon typus Smith 1828 whale shark
 Lamniformes - Alopiidae
Alopias superciliosus
Alopias superciliosus Lowe 1840 thresher shark
 Lamniformes - Lamnidae
Isurus retroflexus
Isurus retroflexus Agassiz 1838 mackerel shark
 Lamniformes - Otodontidae
"Carcharocles megalodon" = Otodus megalodon
"Carcharocles megalodon" = Otodus megalodon Agassiz 1835 megalodon
 Hexanchiformes - Hexanchidae
Hexanchus sp., Heptranchias sp.
Hexanchus sp. Rafinesque 1810 sixgill shark
Heptranchias sp. Rafinesque 1810 sevengill shark
 Rhinopristiformes - Pristidae
Pristis perotteti, Pristis pristis
Pristis pristis Linnaeus 1758 sawfish
 Rhinopristiformes - Rhynchobatidae
Rhynchobatus rudolffischeri, Rhynchobatus pristinus
Rhynchobatus pristinus Probst 1877 wedgefish
 Rajiformes - Rajidae
Raja sp.
Raja sp. Linnaeus 1758 skate
 Myliobatiformes - Myliobatidae
"Mobula hypostoma" = Mobula, "Mobula lorenzoizanoi" = Mobula, "Manta sp." = Mobula
"Mobula hypostoma" = Mobula devil ray
"Mobula lorenzoizanoi" = Mobula devil ray
"Manta sp." = Mobula Rafinesque 1810 manta
 Myliobatiformes - Dasyatidae
Dasyatis dianapizarroae, Dasyatis cavernosa
Dasyatis dianapizarroae whiptail stingray
Dasyatis cavernosa Probst 1877 whiptail stingray
 Myliobatiformes - Rhinopteridae
Rhinoptera studeri
Rhinoptera studeri Agassiz 1843 cownose ray
Actinopteri
 Istiophoriformes - Sphyraenidae
Sphyraena barracuda
Sphyraena barracuda Edwards 1771 barracuda
 Scombriformes - Trichiuridae
Trichiurus sp.
Trichiurus sp. Linnaeus 1758
 Spariformes - Sparidae
Diplodus oweni
 Perciformes - Sparidae
Pagrus sp.
Pagrus sp. Lacépède 1802 perch-like fish
 Tetraodontiformes - Tetraodontidae
Tetraodon sp.
Tetraodon sp. Linnaeus 1758