Lachman Crags Member- Santa Marta Formation: Santonian - Campanian, Antarctica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Chantangiella victoriensis
Isabelidiniurn acuminatum
Isabelidiniurn cf. belfastense
Isabelidiniurn glabrum
Forarninisporis dailyi
Cymatiosphaera informal spp.
Micrhystridium informal spp.
Cyclopsiella informal spp.
Foveogleicheniidites confussus Burger 1975
Polypodiopsida - Polypodiaceae
Laevigatosporites ovatus Wilson and Webster 1946
Polypodiopsida
Biretisporites spectabilis Dettmann 1963
Polypodiopsida - Osmundaceae
Baculatisporites comaurnensis
Polypodiopsida - Gleicheniaceae
Clavifera triplex Bolkhovitina 1966
Gleicheniidites circinidites Dettmann 1963
Polypodiopsida - Blechnaceae
Leptolepidites verrucatus Couper 1953
Polypodiopsida - Schizaeales - Schizaeaceae
Klukisporites scaberis Dettmann 1963
Polypodiopsida - Dicksoniaceae
Trilites tuberculiformis Cookson 1947
Cyatheacidites annulatus Cookson 1947
Cyatheacidites archangelskii Dettmann 1986
Pteridopsida
Cyathidites australis Couper 1953
Cyathidites punctatus Delcourt et al. 1963
Cyathidites minor Couper 1953
Osmundacidites wellmannii Reyre 1973
Ischyosporites volkheimeri Filatoff 1975
Bryopsida
Stereisporites antiquasporites Dettmann 1963
Marchantiopsida - Marchantiidae
Triporoletes simplex Playford 1971
Marchantiopsida - Sphaerocarpales
Aequitriradites spinulosus (Cookson and Dettmann 1958)
original and current combination Cirratriradites spinulosus
Angiospermae - Liliaceae
Liliacidites informal spp.
Angiospermae - Chloranthales - Chloranthaceae
Clavatipollenites informal spp.
Angiospermae - Proteales - Proteaceae
Proteacidites informal spp.
Angiospermae - Proteales
Peninsulapollis informal spp.
Angiospermae - Fagales
Nothofagidites informal spp.
Coniferales - Podocarpaceae
Podosporites microsaccatus Dettmann 1963
Dacrycarpites australiensis Cookson and Pike 1953
Phyllocladidites mawsonii Cookson 1947
Podocarpidites ellipticus Cookson 1947
Microcachryidites informal sp. Cookson 1947
Microcachryidites antarcticus Couper 1953
Lygistepollenites balmei Stover and Evans 1973
unclassified
Alisporites similis Dettmann 1963
Alisporites grandis Dettmann 1963
Equisetopsida - Araucariaceae
Araucariacites australis Cookson 1947
Equisetopsida - Cupressales
Inaperturopollenites informal spp.
Equisetopsida
Foraminisporis asymmetricus Dettmann 1963
Ginkgoopsida - Caytoniales
Vitreisporites pallidus Nilsson 1958
Lycopodiopsida - Lycopodiales
Retitriletes austroclavatidites Döring et al. 1963
Lycopodiopsida - Selaginellales
Ceratosporites equalis Cookson and Dettmann 1958
Densoisporites velatus Dettmann 1963
Lycopodiopsida - Selaginellales - Selaginellaceae
Neoraistrickia truncata Potonié 1956
unclassified
Tasmanites informal spp.
Schizosporis cf. reticulatus Cookson and Dettmann 1959
Australisphaera verrucosa Davey 1978
Amphidiadema rectangularis Lentin and Williams 1976
Amphidiadema denticulata Cookson and Eisenack 1960
Dinophyceae
Tenua hystrix Eisenack 1958
Xenikoon australis Cookson and Eisenack 1960
Diconodinium pusillum Singh 1971
Exochosphaeridium phragmites Davey 1966
Palaeotetradinium silicorum Deflandre 1936
Prolixosphaeridium parvispinum Davey 1969
Prolixosphaeridium cf. inequiornatum Stover and Helby 1987
Spiniferites ramosus Lentin and Williams 1973
Nelsoniella semireticulafa
Nelsoniella informal sp. I Cookson and Eisenack 1960
Nelsoniella tuberculata Cookson and Eisenack 1960
Nelsoniella aceras Cookson and Eisenack 1960
Dinophyceae - Gonyaulacales
Cleistosphaeridium armatum Davey 1969
Dinophyceae - Gonyaulacales - Areoligeraceae
Canningia informal sp. I Cookson and Eisenack 1960
Canningia scabrosa Cookson and Eisenack 1970
Cyclonephelium compactum Deflandre and Cookson 1955
Circulodinium distinctum Jansonius 1986
subsp. distinctum & subsp. longispinatum
Dinophyceae - Gonyaulacales
Heslertonia striata Eisenack and Cookson 1960
Dinophyceae - Gonyaulacales - Ceratiaceae
Xenascus australensis Cookson and Eisenack 1969
Odontochitina informal sp. I Deflandre 1935
Odontochitina informal sp. II Deflandre 1935
Odontochitina costata Alberti 1961
Odontochitina porifera Cookson 1956
Odontochitina singhii Morgan 1980
Odontochitina cribropoda Deflandre and Cookson 1955
Odontochitina operculata Deflandre 1935
Dinophyceae - Gonyaulacales - Goniodomaceae
Hystrichosphaeridium paracostatum Cookson and Eisenack 1974
Dinophyceae - Gonyaulacales - Hystrichosphaeridiaceae
Conosphaeridium striatoconus
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Cassiculosphaeridia informal sp. I Davey 1969
? Scriniodinium cf. ceratophorum Cookson and Eisenack 1960
Cribroperidinium cooksoniae Norvick 1976
Oligosphaeridium complex Davey and Williams 1966
Oligosphaeridium pulcherrimum Davey and Williams 1966
Pterodinium cingulatum Below 1981
Kiokansium polypes Below 1982
Heterosphaeridium informal sp. Cookson and Eisenack 1969
Heterosphaeridium conjunctum Cookson and Eisenack 1968
? Heterosphaeridium heteracanthum Eisennack and Kjellström 1972
Heterosphaeridium dificile Ioannides 1986
Dinophyceae - Gonyaulacales - Cladopyxiaceae
Microdinium informal sp. Cookson and Eisenack 1960
Dinophyceae - Peridiniales - Deflandreaceae
? Palaeocystodinium rhomboides Lentin and Williams 1973
Spinidinium informal spp.
Spinidinium echinoideum Lentin and Williams 1976
subsp. rhombicum
Spinidinium lanterna Cookson and Eisenack 1970
Dinophyceae - Peridiniales - Peridiniaceae
Alterbidinium minus Lentin and Williams 1985
Hexagonifera glabra Cookson and Eisenack 1961
Palaeohystrichophora infusorioides Deflandre 1936
Maduradinium pentagonum
Maduradinium informal sp. I Cookson and Eisenak 1970
Trithyrodinium vermiculaturn
Trithyrodinium suspectum Davey 1969
Eucladinium cf. madurense Stover and Evitt 1978
Eucladinium cf. spinosissimum Stover and Evitt 1978
Isabelidinium informal spp.
Isabelidinium thomasii Lentin and Williams 1976
Isabelidinium cooksoniae Lentin and Williams 1977
Isabelidinium belfastense Lentin and Williams 1976
Isabelidinium cf. microarmum Lentin and Williams 1977
Manumiella lata Bujak and Davies 1983
? Manumiella cretacea Bujak and Davies 1983
Chatangiella tripartita Lentin and Williams 1976
Chatangiella serratula Lentin and Williams 1976
Chatangiella cf. multispinosa Lentin and Williams 1976
? Subtilisphaera ventriosa Jain and Millepied 1971
Dinophyceae - Peridiniales - Protoperidiniaceae
Lejeunecysta informal sp. Artzner and Dörhöfer 1978
Dinophyceae - Ptychodiscales - Ptychodiscaceae
Dinogymnium nelsonense Evitt et al. 1967
Dinogymnium euclaense Cookson and Eisenack 1970
Dinogymnium westralium Evitt 1967
unclassified
Callaiosphaeridium asymrnetricum Clarke and Verdier 1967
Palambages informal Form A
Palambages informal Form C
Canninginopsis informal sp. I Cookson and Eisenack 1962
Canninginopsis colliveri Backhouse 1988
Perotriletes majus
Perotriletes laceratus
Tunyosphaeridium isocalamus Davey and Williams 1966
see common names

Geography
Country:Antarctica
Coordinates: 63.9° South, 58.0° West (view map)
Paleocoordinates:61.7° South, 68.5° West
Basis of coordinate:estimated from map
Altitude:132 meters
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Santonian - Campanian
Age range of interval:86.30000 - 72.10000 m.y. ago
Stratigraphy
Formation:Santa Marta Member:Lachman Crags
Stratigraphic resolution:member
Lithology and environment
Primary lithology: lithified muddy mudstone
Secondary lithology: lithified silty siltstone
Includes fossils?Y
Lithology description: Comprises interbedded sandstones, silt-stones, mudstones, accretionary lapilli, with rare conglomerates and coquinas and abundant early diagenetic concretions (Crame et al. 1991).
Environment:marine indet.
Geology comments: It is interpreted as a sub-storm wave base, mid to outer shelf deposit (Pirrie 1989, Crame et al. 1991).
Taphonomy
Modes of preservation:body,soft parts,original sporopollenin
Size of fossils:microfossils
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:bulk,chemical,hydrochloric,hydroflouric,field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:BGS
Metadata
Database number:150509
Authorizer:C. Jaramillo Enterer:P. Santamarina
Research group:marine invertebrate,micropaleontology,paleobotany
Created:2013-09-09 23:56:37 Last modified:2013-09-09 08:56:37
Access level:authorizer only Released:2018-09-09 23:56:37
Creative Commons license:CC BY
Reference information

Primary reference:
48142. J. M. Keating. 1992. Palynology of the Lachman Crags Member, Santa Marta Formation (Upper Cretaceous) of north-west James Ross Island. Antartic Science 4(3):293-304 [C. Jaramillo/P. Santamarina]