La Mision (Miocene of Mexico)

Also known as UCMP 71116; 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• coordinate based on unpublished field data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

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