| scholarly article | Q13442814 |
| P819 | ADS bibcode | 1997PNAS...94.8001V |
| P356 | DOI | 10.1073/PNAS.94.15.8001 |
| P932 | PMC publication ID | 21545 |
| P698 | PubMed publication ID | 9223303 |
| P5875 | ResearchGate publication ID | 13996903 |
| P50 | author | James W. Valentine | Q1559068 |
| P2860 | cites work | Origin of the Metazoa | Q24559850 |
| Phylogenetic position of phylum Nemertini, inferred from 18S rRNA sequences: molecular data as a test of morphological character homology | Q30978821 | ||
| Molecular phylogeny of the animal kingdom | Q34049381 | ||
| Evidence from 18S ribosomal DNA that the lophophorates are protostome animals | Q34320579 | ||
| 18S rRNA data indicate that Aschelminthes are polyphyletic in origin and consist of at least three distinct clades | Q34367398 | ||
| Are the Platyhelminthes a monophyletic primitive group? An assessment using 18S rDNA sequences | Q34426852 | ||
| Spatial mechanisms of gene regulation in metazoan embryos | Q36539992 | ||
| 18S rRNA suggests that Entoprocta are protostomes, unrelated to Ectoprocta. | Q38563565 | ||
| First molecular evidence for the existence of a Tardigrada + Arthropoda clade | Q40959935 | ||
| Developmental evolution of metazoan bodyplans: the fossil evidence | Q40972914 | ||
| The phylogenetic status of arthropods, as inferred from 18S rRNA sequences | Q41146175 | ||
| Calibrating rates of early Cambrian evolution | Q47253479 | ||
| Phylogeny of protostome worms derived from 18S rRNA sequences | Q48072435 | ||
| The evolution of developmental strategy in marine invertebrates. | Q52237816 | ||
| Annelida and Arthropoda are Not Sister Taxa: A Phylogenetic Analysis of Spiralian Metazoan Morphology | Q56593370 | ||
| The early emergence of platyhelminths is contradicted by the agreement between 18S rRNA and Hox genes data | Q73214418 | ||
| P433 | issue | 15 | |
| P407 | language of work or name | English | Q1860 |
| P304 | page(s) | 8001-5 | |
| P577 | publication date | 1997-07-22 | |
| P1433 | published in | Proceedings of the National Academy of Sciences of the United States of America | Q1146531 |
| P1476 | title | Cleavage patterns and the topology of the metazoan tree of life | |
| P478 | volume | 94 |
| Q43962230 | A twist in time--the evolution of spiral cleavage in the light of animal phylogeny |
| Q34083106 | Animal phylogeny and the ancestry of bilaterians: inferences from morphology and 18S rDNA gene sequences |
| Q30847199 | Cleavage modification did not alter blastomere fates during bryozoan evolution |
| Q28766099 | Comparison of articulate brachiopod nuclear and mitochondrial gene trees leads to a clade-based redefinition of protostomes (Protostomozoa) and deuterostomes (Deuterostomozoa) |
| Q40694942 | Developmental fates of the first four blastomeres of the chaetognath Paraspadella gotoi: relationship to protostomes |
| Q34470079 | Early cleavage in Phoronis muelleri (Phoronida) displays spiral features |
| Q33910307 | Embryogenesis and larval biology of the cold-water coral Lophelia pertusa |
| Q56445386 | Embryonic Development of a Middle Cambrian (500 Myr Old) Scalidophoran Worm |
| Q22337194 | Evaluating hypotheses of basal animal phylogeny using complete sequences of large and small subunit rRNA |
| Q30688697 | Evaluating hypotheses of deuterostome phylogeny and chordate evolution with new LSU and SSU ribosomal DNA data |
| Q24546043 | Evidence for a clade composed of molluscs with serially repeated structures: monoplacophorans are related to chitons |
| Q43480483 | Evidence from Hox genes that bryozoans are lophotrochozoans |
| Q57196779 | Evidence from a protein-coding gene that acanthocephalans are rotifers |
| Q30658885 | Evolution of animal body plans: the role of metazoan phylogeny at the interface between pattern and process |
| Q59222489 | Evolution of development in the sea star genus Patiriella: clade-specific alterations in cleavage |
| Q73257351 | Hox gene survey in the chaetognath Spadella cephaloptera: evolutionary implications |
| Q34340566 | Identification of chaetognaths as protostomes is supported by the analysis of their mitochondrial genome |
| Q44109165 | Molecular paleobiological insights into the origin of the Brachiopoda |
| Q34503837 | Molecular studies of hemichordate development: a key to understanding the evolution of bilateral animals and chordates |
| Q42446959 | Phyletic patterns of early development in gastropod molluscs |
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| Q24679262 | Precambrian animal diversity: putative phosphatized embryos from the Doushantuo Formation of China |
| Q35467293 | Re-evaluating the phylogeny of Sipuncula through transcriptomics |
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| Q36791319 | Retinoic acid X receptor in the diploblast, Tripedalia cystophora |
| Q34212841 | Spiral cleavage and early embryology of a loxosomatid entoproct and the usefulness of spiralian apical cross patterns for phylogenetic inferences |
| Q28276550 | The convoluted evolution of snail chirality |
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| Q39144238 | The molecular symplesiomorphies shared by the stem groups of metazoan evolution: can sites as few as 1% have a significant impact on recognizing the phylogenetic position of myzostomida? |
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