Description
This dataset comprises morphological data for two annelid species, the polychaete Glycera tridactyla Schmarda, 1861, and the sipunculan Phascolosoma (Phascolosoma) stephensoni (Stephen, 1942), obtained using micro-computed tomography (micro-CT). Several parameters related to the eversion mechanism of the pharynx in Polychaeta and the introvert in Sipuncula were estimated through two- and three-dimensional analyses of micro-CT datasets from specimens in different body configurations.
Data Records
The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 78 records.
2 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
How to cite
Researchers should cite this work as follows:
Keklikoglou K, Vernadou E, Mavraki D, Chatzinikolaou E, Langeneck J, Musco L (2026). Micro-CT Morphological Data of Glycera tridactyla Schmarda, 1861 and Phascolosoma (Phascolosoma) stephensoni (Stephen, 1942) species. Version 1.0. Hellenic Center for Marine Research.
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is Hellenic Center for Marine Research. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: 22fa3c39-2ff0-4f78-826f-bf526df17354. Hellenic Center for Marine Research publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Ocean Biodiversity Information System.
Keywords
Samplingevent; Specimen; Polychaeta; Sipuncula; 3D analysis; eversion mechanism; introvert; pharynx
Contacts
- Metadata Provider ●
- Originator ●
- Point Of Contact
https://orcid.org/0000-0002-6693-2033
- Originator
- Custodian Steward ●
- Originator
- Originator
- Originator
- Originator
- Custodian Steward
Geographic Coverage
Sampling took place in two different areas located in the Gulf of Taranto, Ionian Sea
| Bounding Coordinates | South West [40.24, 17.37], North East [40.35, 17.91] |
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Taxonomic Coverage
No Description available
| Species | Phascolosoma (Phascolosoma) stephensoni (Peanut worm), Glycera tridactyla (Bloodworm) |
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Temporal Coverage
| Start Date | 2022-10-12 |
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| Start Date | 2023-06-14 |
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| Start Date | 2024-03-21 |
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| Start Date | 2024-04-02 |
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Project Data
Traditionally, robots are machines controlled by a central unit to perform predefined tasks in structured environments. MAPWORMS challenges this view by developing robots inspired by simplified marine annelids that respond to environmental stimuli and adapt through shape-morphing. These robots are built using smart shape-memory hydrogels that react to factors such as chemicals, ions, light, and pH. By combining responsive and non-responsive materials, actuation units are designed to translate stiffness changes into shape transformations. This approach integrates biological inspiration, materials science, mathematical modeling, and robotics to create adaptive machines and functional actuators.
| Title | Mimicking Adaptation and Plasticity in WORMS (MAPWORMS) |
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| Identifier | https://www.mapworms.eu/ |
| Funding | MAPWORMS has received funding from the European Union’s Horizon Europe research and innovation programme under grant agreement No 101046846 |
| Study Area Description | Mediterranean Sea |
| Design Description | "MAPWORMS intends to: 1) study adaptation and plasticity of the body plan in Marine Annelida and shed light on the specialization process that allowed forms appeared early in the evolution of the Phylum to adapt to different environments; 2) develop a mathematical model of Annelida plasticity and adaptation to the environment through burrowing, protrusion of parts of their bodies, and morphological changes; 3) develop smart soft materials embodying responsivity, shape morphing and self-healing capabilities, and based on DNA components; 4) develop bio-inspired modular shape morphing robots across the scale. and provides samples to WPs 3-6, each one assigned one analytical approach for the assessment of response of target organisms to experimental treatment." |
Sampling Methods
Individuals of P. stephensoni were sampled on hard bottoms at Marina di Pulsano, while individuals of G. tridactyla were sampled on soft bottoms in the semi-enclosed Strea inlet, Porto Cesareo.
| Study Extent | Samples for micro-CT imaging were collected between the tide level and 0.5 m depth with hammer and chisel (P. stephensoni) or using a shovel and a sieve with 1 mm mesh (G. tridactyla). |
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Method step description:
- WoRMS Taxon Match Tool – Verify scientific names. (www.marinespecies.org/aphia.php?p=match) OBIS Map Tool – Validate coordinates and estimate uncertainty. (obis.org/maptool/) NERC Vocabulary Server (NVS) – Assign standardized terms with IDs. (vocab.nerc.ac.uk/) LifeWatch & EMODnet QC Tool – Cross-check dataset quality. (rshiny.lifewatch.be/BioCheck/)
Additional Metadata
| Alternative Identifiers | 10.25607/mqd09f |
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| 22fa3c39-2ff0-4f78-826f-bf526df17354 | |
| https://ipt.medobis.eu/resource?r=micro-ct_morphological_data_glycera-tridactyla-phascolosoma-stephensoni |