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Microfocus X-ray CT (microCT) Imaging of Actinia equina (Cnidaria), Harmothoe sp. (Annelida), and Xenoturbella japonica (Xenacoelomorpha)

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Published on: August 6, 2019

Micro-computed tomography: Introducing new dimensions to taxonomy.

Sarah Faulwetter¹, Aikaterini Vasileiadou, Michail Kouratoras

¹Department of Zoology-Marine Biology, Faculty of Biology, National and Kapodestrian University of Athens, Panepistimiopolis, 15784, Athens, Greece, ; Institute for Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, 71003 Heraklion, Crete, Greece.

|May 9, 2013

Summary

Three-dimensional imaging using micro-computed tomography offers a powerful, non-destructive method for creating virtual specimens, or "cybertypes." This technology supports taxonomic research by enabling rapid access to detailed virtual representations of type material for virtual collections.

Keywords:

3D Micro-computed tomography cybertaxonomy cybertypes interactive PDF polychaetes systematics taxonomy visualisation

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Area of Science:

Systematics and Taxonomy
Digital Biology
Imaging Technology

Background:

Advancements in 3D imaging resolution are increasing its use in taxonomy.
Cybertaxonomy efforts are growing, emphasizing virtual specimen collections.
Virtual collections offer rapid, simultaneous access to accurate virtual type material.

Purpose of the Study:

To explore the potential of micro-computed tomography (X-ray micro-tomography) for taxonomic research.
To demonstrate the use of 3D imaging data as virtual type material, or "cybertypes".
To discuss the creation and challenges of virtual collections.

Main Methods:

Micro-computed tomography (X-ray micro-tomography) was used as a non-destructive 3D imaging technique.
Sample preparation, image acquisition, and data processing were demonstrated.
Polychaetes (bristle worms) were used as a study object to evaluate the technique.

Main Results:

The study investigated the effects of X-ray micro-tomography on morphological, anatomical, and molecular specimen identity.
The potential and limitations of creating "cybertypes" using this technique were evaluated.
Challenges for establishing virtual collections were discussed.

Conclusions:

Micro-computed tomography shows significant potential for supporting systematics and taxonomy through virtual type material and collections.
The technique offers a non-destructive way to create detailed virtual representations of specimens.
Future applications in producing, disseminating, and publishing taxonomic information are promising.