Parahancornioxylon piptadiensis (Lutz) Moya & Brea (2017)
Taxonomy & Nomenclature
Synonyms: Menendoxylon piptadiensis Lutz (1987); Menedoxylon piptadiensis Lutz (1987); Menendoxylon piptadiense Lutz (1987); Parahancornioxylon piptadiense (Lutz) Moya & Brea (2017)
Conservation Status
Extinct
Last record: Late Pleistocene (Brea et al., 2025)
Distribution & Habitat
Argentina
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Lutz, Alicia I. (1987). Estudio Anatómico de Maderas Terciarias del Valle de Santa María (Catamarca–Tucumán), Argentina. Facena 7: 125-143.
Other references:
Brea, Mariana, Zucol, Alejandro F., Franco, María Jimena, Ramos R. Soledad, Patterer, Noelia I., Moya, Eliana, Passeggi, Esteban, Frezzia, Sebastián A. and Martinez, Camila Martinez. (2025). La paleobotánica en el sur de la región del Litoral argentino: historia, desarrollo y estado actual de su conocimiento / Palaeobotany in the southern Argentine Littoral region: history, development and current state of knowledge. Bol. Soc. Argent. Bot. 60(4): 405-433. https://doi.org/10.31055/1851.2372.v60.n4.49487
IFPNI (International Fossil Plant Names Index). (2026). Parahancornioxylon piptadiense. In: International Fossil Plant Names Index. Available at: https://ifpni.org/ [Accessed 5 September 2026]
Moya, Eliana, Brea, Mariana and Lutz, Alicia I. (2018). Redescription and reassignment of the fossil wood Menendoxylon piptadiensis from the Pliocene Andalhuala Formation, South America. Journal of Systematic Palaeontology 16(13): 1145-1157. https://doi.org/10.1080/14772019.2017.1386727
Aspidospermoxylon paleoneuron Ramos et al. (2024)
Taxonomy & Nomenclature
Conservation Status
Extinct (Ramos et al., 2024)
Last record: Late Pleistocene (Ramos et al., 2024; Brea et al., 2025)
Distribution & Habitat
Argentina
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Ramos, R. Soledad, Via do Pico, Gisela M., Brea, Mariana and Kröhling, Daniela M. (2024). New fossil woods (upper Pleistocene) from the lower-middle Uruguay river basin (South America) reveal the past distribution of Aspidosperma (Apocynaceae). Quaternary International 697: 19-37. https://doi.org/10.1016/j.quaint.2024.03.004
Other references:
Brea, Mariana, Zucol, Alejandro F., Franco, María Jimena, Ramos R. Soledad, Patterer, Noelia I., Moya, Eliana, Passeggi, Esteban, Frezzia, Sebastián A. and Martinez, Camila Martinez. (2025). La paleobotánica en el sur de la región del Litoral argentino: historia, desarrollo y estado actual de su conocimiento / Palaeobotany in the southern Argentine Littoral region: history, development and current state of knowledge. Bol. Soc. Argent. Bot. 60(4): 405-433. https://doi.org/10.31055/1851.2372.v60.n4.49487
Aspidospermoxylon guatambue Ramos et al. (2024)
Taxonomy & Nomenclature
Conservation Status
Extinct (Ramos et al., 2024)
Last record: Late Pleistocene (Ramos et al., 2024)
Distribution & Habitat
Argentina
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Ramos, R. Soledad, Via do Pico, Gisela M., Brea, Mariana and Kröhling, Daniela M. (2024). New fossil woods (upper Pleistocene) from the lower-middle Uruguay river basin (South America) reveal the past distribution of Aspidosperma (Apocynaceae). Quaternary International 697: 19-37. https://doi.org/10.1016/j.quaint.2024.03.004
Other references:
Brea, Mariana, Zucol, Alejandro F., Franco, María Jimena, Ramos R. Soledad, Patterer, Noelia I., Moya, Eliana, Passeggi, Esteban, Frezzia, Sebastián A. and Martinez, Camila Martinez. (2025). La paleobotánica en el sur de la región del Litoral argentino: historia, desarrollo y estado actual de su conocimiento / Palaeobotany in the southern Argentine Littoral region: history, development and current state of knowledge. Bol. Soc. Argent. Bot. 60(4): 405-433. https://doi.org/10.31055/1851.2372.v60.n4.49487
Exostema salicifolium Griseb. (1866:125)
Taxonomy & Nomenclature
Conservation Status
Missing (Gómez Hechavarría et al., 2025)
Last record: 2000 (Gómez Hechavarría et al., 2025)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Cuba
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Acevedo-Rodríguez, P. and Strong, M. T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
Gómez Hechavarría, J. L., González-Oliva, L. and Acosta, Z. (2025). Exostema salicifolium. The IUCN Red List of Threatened Species 2025: e.T240913775A240917520. https://dx.doi.org/10.2305/IUCN.UK.2025-1.RLTS.T240913775A240917520.es. Accessed on 12 August 2026.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Greuter, W. and Rankin, R. (2022). Plantas Vasculares de Cuba. Inventario preliminar. Botanischer Garten & Botanisches Museum Berlin-Dahlem & Jardín Botánico Nacional, Universidad de La Habana, Berlín, Alemania & La Habana, Cuba.
POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 12 August 2026]
Cuviera migeodii Verdc. (1991:771)
Taxonomy & Nomenclature
Conservation Status
Missing (IUCN SSC EAPRLA, 2025)
Last record: 1930 (IUCN SSC EAPRLA, 2025)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Tendaguru, Tanzania
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
IUCN SSC EAPRLA (IUCN SSC Eastern Africa Plant Red List Authority). (2025). Cuviera migeodii. The IUCN Red List of Threatened Species 2025: e.T35428A2859392. https://dx.doi.org/10.2305/IUCN.UK.2025-1.RLTS.T35428A2859392.en. Accessed on 11 August 2026.
POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 11 August 2026]
Verstraete, B., Lachenaud, O., Smets, E., Dessein, S. and Sonké, B. (2013). Taxonomy and phylogenetics of Cuviera (Rubiaceae - Vanguerieae) and reinstatement of Globulostylis with the description of three new species. Botanical Journal of the Linnean Society 173: 407-411.