measurementID occurrenceID measurementOfTaxon parentMeasurementID measurementType measurementValue measurementRemarks source bibliographicCitation 40 Holothuroidea TRUE http://eol.org/schema/terms/body_symmetry http://purl.obolibrary.org/obo/PATO_0001324 https://doi.org/10.1134/S0031030114120107 Smirnov, A.V. Sea cucumbers symmetry (Echinodermata: Holothuroidea). Paleontol. J. 48, 1215–1236 (2014). https://doi.org/10.1134/S0031030114120107 41 40 https://eol.org/schema/terms/starts_at 2012