La Mision (Miocene of Mexico)

Also known as UCMP V71116; SDSC 452; Mesa La Mision; FCM locality LM-1

Where: Baja California, Mexico (32.1° N, 116.8° W: paleocoordinates 31.4° N, 112.1° W)

• coordinate based on unpublished field data

When: Los Indios Member (Rosarito Beach Formation), Langhian (16.0 - 13.8 Ma)

• middle Miocene; bed D; Barstovian; Langhian age after Aranda-Manteca et al 1994

• member-level stratigraphic resolution

Environment/lithology: offshore shelf; gray sandstone

• range from fluvatile and lacustrine to shallow open marine shelf
• light gray sandstone

Size class: macrofossils

Preservation: original phosphate

Primary reference: J. A. Minch, K. C. Schulte, and G. Hofman. 1970. A middle Miocene age for the Rosarito Beach Formation in Northwestern Baja California, Mexico. Geological Society of America BUlletin 81:3149-3154 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52183: authorized by Mark Uhen, entered by Mark Uhen on 29.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Diodons sp., Thioperidae indet.5, Dasyatus sp.1, Aetomyleaus sp.1, Semicosiphus sp.1, Rhaponeis amphioceros5, Rhaponeis sachalinensis5, Xanthipyxis sp.5, Sciaenide indet.5, cf. Xanthichthys sp.5
Gastropoda
 Cerithioidea - Turritellidae
Turritella ocoyana
Turritella ocoyana Conrad 1855 turret shell
 Neogastropoda - Cancellariidae
Cancellaria sp.
Cancellaria sp. Lamarck 1799 snail
 Neogastropoda - Conidae
Conus sp.
Conus sp. Linnaeus 1758 cone shell
 Neogastropoda - Terebridae
"Terebra (Strioterebrum) sp." = Strioterebrum
"Terebra (Strioterebrum) sp." = Strioterebrum Sacco 1891 auger snail
n. sp.
 Sorbeoconcha - Naticidae
Neverita sp.
Neverita sp. Risso 1826 moon snail
Bivalvia
 Arcida - Arcidae
Anadara topangensis
 Ostreida - Pinnidae
Pinnidae indet.
Pinnidae indet. Leach 1819 oyster
 Pectinida - Pectinoidae
Lyropecten sp.
Lyropecten sp. Conrad 1862 scallop
 Lucinida - Lucinidae
? Divalinga sp., "Lucinisca sp." = Lucina (Lucinisca)
? Divalinga sp. Chavan 1951 clam
"Lucinisca sp." = Lucina (Lucinisca) Dall 1901 clam
 Cardiida - Veneridae
Chione (Chionopsis) temblorensis, Chione (Chinopsis) sp., ? Clementia sp.
Chione (Chionopsis) temblorensis Anderson 1905 venus clam
Chione (Chinopsis) sp. von Mühlfield 1811 venus clam
? Clementia sp. Gray 1847 venus clam
Chondrichthyes
 Squaliformes - Squalidae
Squalus sp.5
Squalus sp.5 Linnaeus 1758 dogfish shark
 Squatiniformes - Squatinidae
Squatina sp.5
Squatina sp.5 Dumeril 1806 angel shark
 Carcharhiniformes - Carcharhinidae
Carcharhinidae indet.5, Negaprion sp., Rhizoprionodon sp.5, ? Carcharhinus sp.
Carcharhinidae indet.5 Jordan and Evermann 1896 requiem shark
Negaprion sp. Whitley 1940 lemon shark
Rhizoprionodon sp.5 Whitley 1929 sharpnose shark
? Carcharhinus sp. de Blainville 1816 requiem shark
 Carcharhiniformes - Sphyrnidae
Sphyrna sp.
Sphyrna sp. Rafinesque 1810 hammerhead shark
 Carcharhiniformes - Hemigaleidae
Hemipristis sp., Hemipristis serra
Hemipristis sp. Agassiz 1835 ground shark
Hemipristis serra Agassiz 1835 ground shark
 Carcharhiniformes - Triakidae
Mustelus sp.5
Mustelus sp.5 hound shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo sp., Galeocerdo aduncus
Galeocerdo sp. Müller and Henle 1837 tiger shark
Galeocerdo aduncus Agassiz 1835 tiger shark
 Lamniformes - Alopiidae
Alopias sp.5
Alopias sp.5 Rafinesque 1810 thresher shark
 Lamniformes - Lamnidae
Isurus planus, "Isurus hastalis" = Carcharodon hastalis
Isurus planus Agassiz 1856 mackerel shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
 Lamniformes - Otodontidae
"Carcharodon megalodon" = Otodus megalodon
"Carcharodon megalodon" = Otodus megalodon Agassiz 1835 megalodon
Also studied in Pimiento and Balk
 Hexanchiformes - Hexanchidae
Hexanchidae indet.5
Hexanchidae indet.5 Gray 1851 cow shark
 Rajiformes - Rhinobatidae
Rhinobatidae indet.5
Rhinobatidae indet.5 Müller and Henle 1837 guitarfish
 Myliobatiformes - Aetobatidae
Aetobatus sp.1
Aetobatus sp.1 Blainville 1816 stingray
 Myliobatiformes - Gymnuridae
Gymnura sp.5
Gymnura sp.5 Van Hasselt 1823 stingray
 Myliobatiformes -
Myliobatoidea indet.5
 Myliobatiformes - Myliobatidae
Mobula sp.5, Pteromylaeus sp.1, "Myliobatis sp." = Myliobatis, "Myliobatus sp." = Myliobatis1
Mobula sp.5 Rafinesque 1810 devil ray
Pteromylaeus sp.1 Garman 1913 bull ray
"Myliobatis sp." = Myliobatis Cuvier 1816 eagle ray
"Myliobatus sp." = Myliobatis1 Cuvier 1816 eagle ray
 Myliobatiformes - Dasyatidae
Dasyatidae indet.5
Dasyatidae indet.5 Jordan 1888 whiptail stingray
Actinopteri
 Teleostei -
Teleostei indet.5
 Istiophoriformes - Sphyraenidae
Sphyraena sp.6, Sphyraena cf. barracuda5
Sphyraena sp.6 Artedi 1793 barracuda
Sphyraena cf. barracuda5 Edwards 1771 barracuda
 Carangiformes - Carangidae
Carangidae indet.5
Carangidae indet.5 Rafinesque 1815
 Scombriformes - Trichiuridae
Trichiurus sp.1
Trichiurus sp.1 Linnaeus 1758
 Scombriformes - Scombridae
Scomber sp.5, Acanthocybium sp.5, Thunnus sp.1, Thunnus cf. thynnus5, Euthynnus sp.5
Scomber sp.5 Linnaeus 1758
Acanthocybium sp.5 Gill 1862
Thunnus sp.1 South 1845
Thunnus cf. thynnus5 Linnaeus 1758
Euthynnus sp.5 Jordan and Gilbert 1882
 Perciformes - Sparidae
Calamus sp.1
Calamus sp.1 Swainson 1839 perch-like fish
 Perciformes - Serranidae
Serranidae indet.5
Serranidae indet.5 Swainson 1839 perch-like fish
 Acanthomorphata - Lutjanidae
Lutjanus cf. novemfasciatus5
 Tetraodontiformes -
Oligodiodon vetus6
 Tetraodontiformes - Diodontidae
Diodontidae indet.5
 Tetraodontiformes - Balistidae
Balistidae indet.5
 Acanthomorphata - Polyprionidae
cf. Stereolepis sp.5
cf. Stereolepis sp.5 Ayres 1859
 Acanthomorphata - Oplegnathidae
Oplegnathus sp.5
Oplegnathus sp.5 Richardson 1840
 Siluriformes - Ariidae
Ariidae indet.5
Ariidae indet.5 Berg 1958 Ariid catfish
Mammalia
 Carnivora - Desmatophocidae
Allodesmus sp.4
Allodesmus sp.4 Kellogg 1922 pinniped
 Carnivora - Odobenidae
Neotherium sp.1, aff. Neotherium sp.4
Neotherium sp.1 Kellogg 1931 walrus
aff. Neotherium sp.4 Kellogg 1931 walrus
 Carnivora - Canidae
cf. Tomarctus sp.6
cf. Tomarctus sp.6 Cope 1873 bone-crushing dog
 Placentalia -
Cetacea indet.
Cetacea indet. Brisson 1762 whale
 Cetacea - Physeteridae
Physeteridae indet.4
Physeteridae indet.4 Gray 1821 sperm whale
 Cetacea -
Platanistoidea indet.4, Liolithax aff. kernensis4
Platanistoidea indet.4 Simpson 1945 toothed whale
Liolithax aff. kernensis4 Kellogg 1931 toothed whale
 Cetacea - Kentriodontidae
aff. Kentriodon sp.4, Delphinodon sp.1, Lamprolithax sp.1
aff. Kentriodon sp.4 Kellogg 1927 toothed whale
Delphinodon sp.1 Leidy 1869 toothed whale
Lamprolithax sp.1 Kellogg 1931 toothed whale
 Cetacea -
Mysticeti indet.8
Mysticeti indet.8 Cope 1891 whale
 Cetacea - Cetotheriidae
Cetotheriidae indet.6, aff. Herpetocetus sp.4
Cetotheriidae indet.6 Brandt 1872 whale
aff. Herpetocetus sp.4 Van Beneden 1872 whale
 Cetacea -
Tiphyocetus temblorensis7, aff. Parietobalaena sp.4
Tiphyocetus temblorensis7 Kellogg 1931 whale
aff. Parietobalaena sp.4 Kellogg 1924 whale
 Artiodactyla - Camelidae
Oxydactylus longipes
Oxydactylus longipes Peterson 1904 camel
 Perissodactyla - Desmostylidae
aff. Desmostylus sp.4, Desmostylus hesperus1
aff. Desmostylus sp.4 Marsh 1888 desmostylian
Desmostylus hesperus1 Marsh 1888 desmostylian
 Perissodactyla - Paleoparadoxiidae
"Paleoparadoxidae indet." = Paleoparadoxiidae4
"Paleoparadoxidae indet." = Paleoparadoxiidae4 Reinhart 1959 desmostylian
 Perissodactyla -
Jamilcotatus kumiaica n. gen. n. sp.2
Jamilcotatus kumiaica n. gen. n. sp.2 Aranda-Manteca and Barnes 1998 desmostylian
 Sirenia - Sirenia
Sirenia indet.6
Sirenia indet.6 sirenian
 Sirenia - Dugongidae
Metaxytherium arctodites n. sp.3
Metaxytherium arctodites n. sp.3 Aranda-Manteca et al. 1994 dugong
Aves
  -
Aves indet.
Aves indet. Linnaeus 1758 bird
 Charadriiformes - Alcoidae
Alcidae indet.5
Alcidae indet.5 Leach 1820 auk
 Suliformes - Sulidae
Morus sp.1, Sula sp.1
Morus sp.1 Vieillot 1816 gannet
Sula sp.1 Brisson 1760 booby
 Procellariiformes - Procellariidae
Puffinus sp.5
Puffinus sp.5 Brisson 1760 shearwater
 Procellariiformes - Diomedeidae
Diomedea sp.1
Diomedea sp.1 Linnaeus 1758 albatross
Reptilia
 Testudines -
"Chelonia indet." = Testudines6
"Chelonia indet." = Testudines6 Batsch 1788 turtle
 Testudines - Cheloniidae
Cheloniidae indet.1
Cheloniidae indet.1 Bonaparte 1832 sea turtle
 Testudines - Dermochelyidae
"Dermochelidae sp." = Dermochelyidae1
"Dermochelidae sp." = Dermochelyidae1 Lydekker 1889 leatherback
Dinophyceae
 Actiniscales - Actiniscaceae
Actiniscus pentasterias5
Thecofilosea
 Ebriidea - Ammodochiaceae
Ammodochium rectangulare5
Protozoa
 Ebriales - Ebriopsidaceae
Ebriopsis antiqua5, Parathranium tenuipes5
  -
Radiolaria indet.
Bacillariophyceae
  -
Bacillariophyceae indet.
Bacillariophyceae indet. Haeckel 1878 diatom
  - Hemidiscaceae
Actinocyclus ehrenbergi5, Actinocyclus ingens5
Actinocyclus ingens5 Rattray 1890 diatom
 Melosirales - Stephanopyxidaceae
Stephanopyxis sp.5
Stephanopyxis sp.5 Ehrenberg 1845 diatom
 Coscinodiscales - Heliopeltaceae
Actinoptychus sp.5
Actinoptychus sp.5 Ehrenberg 1843 diatom
 Coscinodiscales - Coscinodiscaceae
Coscinodiscus marginatus5, Coscinodiscus curvatulus5, Coscinodiscus excentricus5, Coscinodiscus oculusiridis5
Coscinodiscus marginatus5 Ehrenberg 1839 diatom
Coscinodiscus curvatulus5 Grunow 1878 diatom
Coscinodiscus excentricus5 Ehrenberg 1839 diatom
Coscinodiscus oculusiridis5 Ehrenberg 1841 diatom
 Centrales - Eupodiscaceae
Triceratium cf. condecorum5
Triceratium cf. condecorum5 Ehrenberg 1845 diatom
 Thalassionematales - Thalassionemataceae
Thalassionema nitzchioides5, Thalassiothrix longissima5
Thalassiothrix longissima5 Cleve and Grunow 1880 diatom
 Naviculales - Naviculaceae
Navicula cf. clavata5, Navicula lyra5
Navicula lyra5 Ehrenberg 1843 diatom
 Naviculales - Diploneidaceae
Diploneis taschenbergeri5
 Naviculales - Pinnulariaceae
Pinnularia ruttneri5
Biddulphia
  - Biddulphiaceae
Biddulphia aurita5
Biddulphia aurita5 Kützing 1930
Stephanogonia
  -
Stephanogonia pretiosa5
Chrysophyceae
 Phytomastigophora - Dictyochaceae
Dictyocha fibula5, Mesocena apiculata5, Distephanus crux5, Distephanus speculum5, Cannopilus hemisphaericus5, Cannopilus sphaericus5, Corbisema triacantha5
Dictyocha fibula5 Ehrenberg 1838
Distephanus crux5 Ehrenberg 1840
Distephanus speculum5 Ehrenberg 1839
1Aranda-Manteca 2005; 2Aranda-Manteca and Barnes 1998; 3Aranda-Manteca et al. 1994; 4Barnes 1998; 5Deméré et al. 1984; 6Domning 1978; 7Gascón-Romero and Aranda-Manteca 1992; 8Gascón-Romero et al. 1994