PBDB

Lachman Crags Member- Santa Marta Formation (Cretaceous to of Antarctica)

Where: Antarctica (63.9° S, 58.0° W: paleocoordinates 61.7° S, 68.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lachman Crags Member (Santa Marta Formation), Santonian to Santonian (86.3 - 72.1 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, muddy mudstone and lithified, silty siltstone

• It is interpreted as a sub-storm wave base, mid to outer shelf deposit (Pirrie 1989, Crame et al. 1991).

• Comprises interbedded sandstones, silt-stones, mudstones, accretionary lapilli, with rare conglomerates and coquinas and abundant early diagenetic concretions (Crame et al. 1991).

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Reposited in the BGS

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 150509: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 09.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Isabelidiniurn acuminatum, Isabelidiniurn cf. belfastense, Isabelidiniurn glabrum, Forarninisporis dailyi Isabelidiniurn acuminatum Isabelidiniurn cf. belfastense Isabelidiniurn glabrum Forarninisporis dailyi
Alisporites
-	Alisporites similis, Alisporites grandis Alisporites similis Dettmann 1963 Alisporites grandis Dettmann 1963
Bryopsida
-	Stereisporites antiquasporites Stereisporites antiquasporites Dettmann 1963
Marchantiopsida
Sphaerocarpales -	Aequitriradites spinulosus Aequitriradites spinulosus Cookson and Dettmann 1958
- Marchantiidae	Triporoletes simplex Triporoletes simplex Playford 1971
Equisetopsida
Anthocerotidae - Anthocerotidae	Foraminisporis asymmetricus Foraminisporis asymmetricus Dettmann 1963
Angiospermae
Chloranthales - Chloranthaceae	Clavatipollenites "spp." Clavatipollenites "spp." Couper 1958
Proteales -	Peninsulapollis "spp." Peninsulapollis "spp." Dettmann and Jarzen 1988
Proteales - Proteaceae	Proteacidites "spp." Proteacidites "spp." Cookson and Couper 1953
Mesangiosperms - Liliaceae	Liliacidites "spp." Liliacidites "spp." Couper 1953
Fagales -	Nothofagidites "spp." Nothofagidites "spp." Potonié 1960

Coniferales - Podocarpaceae	Phyllocladidites mawsonii, Podosporites microsaccatus, Dacrycarpites australiensis, Podocarpidites ellipticus, Lygistepollenites balmei, Microcachryidites "sp.", Microcachryidites antarcticus Phyllocladidites mawsonii Cookson 1947 podocarp Podosporites microsaccatus Dettmann 1963 podocarp Dacrycarpites australiensis Cookson and Pike 1953 podocarp Podocarpidites ellipticus Cookson 1947 podocarp Lygistepollenites balmei Stover and Evans 1973 podocarp Microcachryidites "sp." Cookson 1947 podocarp Microcachryidites antarcticus Couper 1953 podocarp
Lycopodiopsida
Selaginellales - Selaginellaceae	Neoraistrickia truncata Neoraistrickia truncata Potonié 1956 spikemoss
Selaginellales -	Densoisporites velatus, Ceratosporites equalis Densoisporites velatus Dettmann 1963 clubmoss Ceratosporites equalis Cookson and Dettmann 1958 clubmoss
Lycopodiales -	Retitriletes austroclavatidites Retitriletes austroclavatidites Döring et al. 1963 clubmoss
Ginkgoopsida
Caytoniales -	Vitreisporites pallidus Vitreisporites pallidus Nilsson 1958
Foveogleicheniidites confossus
-	Foveogleicheniidites confussus Foveogleicheniidites confussus Burger 1975
Polypodiopsida
- Osmundaceae	Baculatisporites comaurnensis Baculatisporites comaurnensis
Schizaeales - Polypodiidae	Klukisporites scaberis Klukisporites scaberis Dettmann 1963
- Blechnaceae	Leptolepidites verrucatus Leptolepidites verrucatus Couper 1953
- Dicksoniaceae	Cyatheacidites archangelskii, Cyatheacidites annulatus, Trilites tuberculiformis Cyatheacidites archangelskii Dettmann 1986 Cyatheacidites annulatus Cookson 1947 Trilites tuberculiformis Cookson 1947
- Gleicheniaceae	Clavifera triplex, Gleicheniidites circinidites Clavifera triplex Bolkhovitina 1966 Gleicheniidites circinidites Dettmann 1963
-	Biretisporites spectabilis Biretisporites spectabilis Dettmann 1963
- Polypodiaceae	Laevigatosporites ovatus Laevigatosporites ovatus Wilson and Webster 1946
Pteridopsida
-	Cyathidites minor, Cyathidites punctatus, Cyathidites australis, Ischyosporites volkheimeri, Osmundacidites wellmannii Cyathidites minor Couper 1953 Cyathidites punctatus Delcourt et al. 1963 Cyathidites australis Couper 1953 Ischyosporites volkheimeri Filatoff 1975 Osmundacidites wellmannii Reyre 1973
Canninginopsis
-	Canninginopsis "sp. I", Canninginopsis colliveri Canninginopsis "sp. I" Cookson and Eisenack 1962 Canninginopsis colliveri Backhouse 1988
Schizosporis reticulatus
-	Schizosporis cf. reticulatus Schizosporis cf. reticulatus Cookson and Dettmann 1959
Prasinophytae
-	Tasmanites "spp." Tasmanites "spp." Newton 1875

Life -	Cymatiosphaera "spp.", Cyclopsiella "spp.", Micrhystridium "spp." Cymatiosphaera "spp." Wetzel 1933 acritarchs Cyclopsiella "spp." Drugg and Loeblich 1967 acritarchs Micrhystridium "spp." Deflandre 1937 acritarchs
Australisphaera verrucosa
-	Australisphaera verrucosa Australisphaera verrucosa Davey 1978
Perotriletes
-	Perotriletes majus, Perotriletes laceratus Perotriletes majus Perotriletes laceratus
Dinophyceae
-	Spiniferites ramosus, Tenua hystrix, Palaeotetradinium silicorum, Xenikoon australis, Nelsoniella semireticulafa, Nelsoniella "sp. I", Nelsoniella aceras, Nelsoniella tuberculata Spiniferites ramosus Lentin and Williams 1973 Tenua hystrix Eisenack 1958 Palaeotetradinium silicorum Deflandre 1936 Xenikoon australis Cookson and Eisenack 1960 Nelsoniella semireticulafa Nelsoniella "sp. I" Cookson and Eisenack 1960 Nelsoniella aceras Cookson and Eisenack 1960 Nelsoniella tuberculata Cookson and Eisenack 1960
Peridiniales - Peridiniaceae	Maduradinium pentagonum, Maduradinium "sp. I", Eucladinium cf. madurense, Eucladinium cf. spinosissimum, ? Subtilisphaera ventriosa, Trithyrodinium vermiculaturn, Trithyrodinium suspectum, Palaeohystrichophora infusorioides, Isabelidinium "spp.", Isabelidinium belfastense, Isabelidinium thomasii, Isabelidinium cf. microarmum, Isabelidinium cooksoniae, Hexagonifera glabra, Alterbidinium minus, Chatangiella serratula, Chatangiella tripartita, Chatangiella cf. multispinosa Maduradinium pentagonum Maduradinium "sp. I" Cookson and Eisenak 1970 Eucladinium cf. madurense Stover and Evitt 1978 Eucladinium cf. spinosissimum Stover and Evitt 1978 ? Subtilisphaera ventriosa Jain and Millepied 1971 Trithyrodinium vermiculaturn Trithyrodinium suspectum Davey 1969 Palaeohystrichophora infusorioides Deflandre 1936 Isabelidinium "spp." Lentin and Williams 1977 Isabelidinium belfastense Lentin and Williams 1976 Isabelidinium thomasii Lentin and Williams 1976 Isabelidinium cf. microarmum Lentin and Williams 1977 Isabelidinium cooksoniae Lentin and Williams 1977 Hexagonifera glabra Cookson and Eisenack 1961 Alterbidinium minus Lentin and Williams 1985 Chatangiella serratula Lentin and Williams 1976 Chatangiella tripartita Lentin and Williams 1976 Chatangiella cf. multispinosa Lentin and Williams 1976
Peridiniales - Deflandreaceae	Spinidinium "spp.", Spinidinium echinoideum, Spinidinium lanterna, ? Palaeocystodinium rhomboides Spinidinium "spp." Cookson and Eisenack 1962 Spinidinium echinoideum Lentin and Williams 1976 subsp. rhombicum Spinidinium lanterna Cookson and Eisenack 1970 ? Palaeocystodinium rhomboides Lentin and Williams 1973
Peridiniales - Protoperidiniaceae	Lejeunecysta "sp." Lejeunecysta "sp." Artzner and Dörhöfer 1978
Gonyaulacales -	Cleistosphaeridium armatum Cleistosphaeridium armatum Davey 1969
Gonyaulacales - Gonyaulacaceae	? Scriniodinium cf. ceratophorum, Cassiculosphaeridia "sp. I", Oligosphaeridium pulcherrimum, Oligosphaeridium complex, Cribroperidinium cooksoniae, Pterodinium cingulatum, Kiokansium polypes, Heterosphaeridium "sp.", Heterosphaeridium conjunctum, ? Heterosphaeridium heteracanthum, Heterosphaeridium dificile ? Scriniodinium cf. ceratophorum Cookson and Eisenack 1960 Cassiculosphaeridia "sp. I" Davey 1969 Oligosphaeridium pulcherrimum Davey and Williams 1966 Oligosphaeridium complex Davey and Williams 1966 Cribroperidinium cooksoniae Norvick 1976 Pterodinium cingulatum Below 1981 Kiokansium polypes Below 1982 Heterosphaeridium "sp." Cookson and Eisenack 1969 Heterosphaeridium conjunctum Cookson and Eisenack 1968 ? Heterosphaeridium heteracanthum Eisennack and Kjellström 1972 Heterosphaeridium dificile Ioannides 1986
Gonyaulacales - Cladopyxiaceae	Microdinium "sp." Microdinium "sp." Cookson and Eisenack 1960
Gonyaulacales -	Heslertonia striata Heslertonia striata Eisenack and Cookson 1960
Gonyaulacales - Areoligeraceae	Cyclonephelium compactum, Canningia "sp. I", Canningia scabrosa, Circulodinium distinctum Cyclonephelium compactum Deflandre and Cookson 1955 Canningia "sp. I" Cookson and Eisenack 1960 Canningia scabrosa Cookson and Eisenack 1970 Circulodinium distinctum Jansonius 1986 subsp. distinctum & subsp. longispinatum
Gonyaulacales - Goniodomaceae	Hystrichosphaeridium paracostatum Hystrichosphaeridium paracostatum Cookson and Eisenack 1974
Gonyaulacales - Ceratiaceae	Xenascus australensis, Odontochitina "sp. I", Odontochitina "sp. II", Odontochitina cribropoda, Odontochitina operculata, Odontochitina porifera, Odontochitina costata, Odontochitina singhii Xenascus australensis Cookson and Eisenack 1969 Odontochitina "sp. I" Deflandre 1935 Odontochitina "sp. II" Deflandre 1935 Odontochitina cribropoda Deflandre and Cookson 1955 Odontochitina operculata Deflandre 1935 Odontochitina porifera Cookson 1956 Odontochitina costata Alberti 1961 Odontochitina singhii Morgan 1980
-	Diconodinium pusillum Diconodinium pusillum Singh 1971
Ptychodiscales - Ptychodiscaceae	Dinogymnium westralium, Dinogymnium euclaense, Dinogymnium nelsonense Dinogymnium westralium Evitt 1967 Dinogymnium euclaense Cookson and Eisenack 1970 Dinogymnium nelsonense Evitt et al. 1967
-	Prolixosphaeridium cf. inequiornatum, Prolixosphaeridium parvispinum, Exochosphaeridium phragmites Prolixosphaeridium cf. inequiornatum Stover and Helby 1987 Prolixosphaeridium parvispinum Davey 1969 Exochosphaeridium phragmites Davey 1966
Tunyosphaeridium isocalamus
-	Tunyosphaeridium isocalamus Tunyosphaeridium isocalamus Davey and Williams 1966
Callaiosphaeridium
-	Callaiosphaeridium asymrnetricum Callaiosphaeridium asymrnetricum Clarke and Verdier 1967
Conosphaeridium
-	Conosphaeridium striatoconus Conosphaeridium striatoconus
Pinidae
Cupressales - Pinidae	Inaperturopollenites "spp." Inaperturopollenites "spp." Potonié 1966

Pinidae - Pinidae	Araucariacites australis Araucariacites australis Cookson 1947
Manumiella cretacea
-	? Manumiella cretacea ? Manumiella cretacea Bujak and Davies 1983
Manumiella lata
-	Manumiella lata Manumiella lata Bujak and Davies 1983
Amphidiadema
-	Amphidiadema rectangularis Amphidiadema rectangularis Lentin and Williams 1976
Amphidiadema denticulata
-	Amphidiadema denticulata Amphidiadema denticulata Cookson and Eisenack 1960

Dinoflagellata -	Palambages "Form A", Palambages "Form C" Palambages "Form A" Wetzel 1961 Palambages "Form C" Wetzel 1961