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M3#104_At11-104dph

Atractosteus tristoechus larva, 104 dph, 70mm SL. Not all structures are colored, only newly ossified ones.

Data citation: Scherrer R., Hurtado A., Garcia Machado E., Debiais-Thibaud M., 2017. M3#104_At11-104dph. doi: 10.18563/m3.sf.104

Tag legend:
Basihyal tooth plate, Branchial arches, Circumorbitals & vertebrae, Dermopterotic, Epioccipital, Extrascapular, Frontal & haemal arches, Hyoid complex, Hyomandibular apparatus, Lacrimomaxillae & pelvic girdle, Mandible, Opercular apparatus, Otic complex, Otoliths, Palatopterygoquadrate, Parasphenoid, occiput & rays, Parietal & ribs, Pectoral girdle, Postcranial skeleton - incomplete, Preoperculum & supraneurals, Quadratojugal, Scales & rudimentary rays, Skull - incomplete, Snout

Model solid/transparent

Flags:
Angular, Anterior ceratohyal, Antorbital, Articular, Basioccipital, Basipterygium, Branchiostegal, Ceratobranchial, Cleithrum, Dentary, Dermopalatine, Dermopterotic, Ectopterygoid, Endopterygoid, Entoglossal, Epioccipital, Epural, Exoccipital, Extrascapular, Frontal, Haemal arch, Haemal spine, Hyomandibula, Hypobranchial, Hypohyal, Hypural, Lacrimal, Lacrimomaxilla, Lepidotrichia, Maxilla, Metapterygoid, Nasal, Neural arch, Neural spine, Opercle, Otolith, Parasphenoid, Parietal, Postcleithrum, Posterior ceratohyal, Posterior supraorbital, Postinfrorbital, Posttemporal, Prearticular, Premaxilla, Preopercle, Prootic, Proximal radial, Quadrate, Quadratojugal, Retroarticular, Rib, Rostral, Rudimentary ray, Sphenotic, Subinfraorbital, Subopercle, Supraangular, Supracleithrum, Supraneural, Supraorbital, Symplectic, Vertebral centrum, Vomer

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Specimen infos
Collection
Collection : Université de Montpellier : Institut des Sciences de l'Evolution, Montpellier, France

Inventory number : At11-104dph


Information
Sex : indet

Age group : Juvenile

Age (if applicable) :

Material Type : whole larva

Origin : Centro Hidrobiológico, Parque Nacional Ciénaga de Zapata, Matanzas, Cuba

Taxonomy
Class : Actinopterygii

Order : Lepisosteiformes

Family : Lepisosteidae

Genus : Atractosteus

Species :tristoechus


Description
Larva, 104 days post hatching, 70 mm standard length

Related article
MicroCT survey of larval skeletal mineralization in the Cuban gar Atractosteus tristoechus (Actinopterygii; Lepisosteiformes)
Raphaël Scherrer, Andrés Hurtado, Erik Garcia Machado and Mélanie Debiais-Thibaud
Keywords: Actinopterygii; development; Lepisosteiformes; mineralization; skeleton

doi: 10.18563/m3.3.3.e3

  Abstract

    Using X-ray microtomography, we describe the ossification events during the larval development of a non-teleost actinopterygian species: the Cuban gar Atractosteus tristoechus from the order Lepisosteiformes. We provide a detailed developmental series for each anatomical structure, covering a large sequence of mineralization events going from an early stage (13 days post-hatching, 21mm total length) to an almost fully ossified larval stage (118dph or 87mm in standard length). With this work, we expect to bring new developmental data to be used in further comparative studies with other lineages of bony vertebrates. We also hope that the on-line publication of these twelve successive 3D reconstructions, fully labelled and flagged, will be an educational tool for all students in comparative anatomy. 


  M3 article infos

Published in Volume 03, Issue 03 (2017)
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